15916674240 has 84 divisors (see below), whose sum is σ = 54746737344. Its totient is φ = 4244445696.

The previous prime is 15916674227. The next prime is 15916674253. The reversal of 15916674240 is 4247661951.

15916674240 is a `hidden beast` number, since 159 + 16 + 67 + 424 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (15916674227) and next prime (15916674253).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2760432 + ... + 2766191.

Almost surely, 2^15916674240 is an apocalyptic number.

15916674240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15916674240 is an abundant number, since it is smaller than the sum of its proper divisors (38830063104).

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

15916674240 is a wasteful number, since it uses less digits than its factorization.

15916674240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526646 (or 5526633 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 15916674240 in words is "fifteen billion, nine hundred sixteen million, six hundred seventy-four thousand, two hundred forty".