1612163650 has 48 divisors (see below), whose sum is σ = 3131317440. Its totient is φ = 616750400.

The previous prime is 1612163647. The next prime is 1612163653. The reversal of 1612163650 is 563612161.

It is an interprime number because it is at equal distance from previous prime (1612163647) and next prime (1612163653).

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

It is not an unprimeable number, because it can be changed into a prime (1612163653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149955 + ... + 160345.

It is an arithmetic number, because the mean of its divisors is an integer number (65235780).

Almost surely, 2^1612163650 is an apocalyptic number.

1612163650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1612163650 is a deficient number, since it is larger than the sum of its proper divisors (1519153790).

1612163650 is a wasteful number, since it uses less digits than its factorization.

1612163650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539 (or 10534 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1612163650 is about 40151.7577448360. The cubic root of 1612163650 is about 1172.5635100918.

The spelling of 1612163650 in words is "one billion, six hundred twelve million, one hundred sixty-three thousand, six hundred fifty".