1606676140 has 24 divisors (see below), whose sum is σ = 3381264432. Its totient is φ = 641290560.

The previous prime is 1606676107. The next prime is 1606676173. The reversal of 1606676140 is 416766061.

It is an interprime number because it is at equal distance from previous prime (1606676107) and next prime (1606676173).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1606676140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76671 + ... + 95350.

It is an arithmetic number, because the mean of its divisors is an integer number (140886018).

Almost surely, 2^1606676140 is an apocalyptic number.

1606676140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606676140 is an abundant number, since it is smaller than the sum of its proper divisors (1774588292).

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

1606676140 is a wasteful number, since it uses less digits than its factorization.

1606676140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172497 (or 172495 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1606676140 is about 40083.3648787125. The cubic root of 1606676140 is about 1171.2316005610.

The spelling of 1606676140 in words is "one billion, six hundred six million, six hundred seventy-six thousand, one hundred forty".