1612905492 has 24 divisors (see below), whose sum is σ = 4105577952. Its totient is φ = 488759200.

The previous prime is 1612905491. The next prime is 1612905493. The reversal of 1612905492 is 2945092161.

It is an interprime number because it is at equal distance from previous prime (1612905491) and next prime (1612905493).

It is a super-2 number, since 2×1612905492² = 5202928252247524128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1612905492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612905491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6109359 + ... + 6109622.

It is an arithmetic number, because the mean of its divisors is an integer number (171065748).

Almost surely, 2^1612905492 is an apocalyptic number.

1612905492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1612905492 is an abundant number, since it is smaller than the sum of its proper divisors (2492672460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1612905492 is a wasteful number, since it uses less digits than its factorization.

1612905492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12218999 (or 12218997 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1612905492 is about 40160.9946589972. The cubic root of 1612905492 is about 1172.7433353990.

The spelling of 1612905492 in words is "one billion, six hundred twelve million, nine hundred five thousand, four hundred ninety-two".