16345072704 has 28 divisors (see below), whose sum is σ = 43246338704. Its totient is φ = 5448357504.

The previous prime is 16345072691. The next prime is 16345072717. The reversal of 16345072704 is 40727054361.

It is an interprime number because it is at equal distance from previous prime (16345072691) and next prime (16345072717).

It is a super-2 number, since 2×16345072704² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42565102 + ... + 42565485.

Almost surely, 2^16345072704 is an apocalyptic number.

It is an amenable number.

16345072704 is an abundant number, since it is smaller than the sum of its proper divisors (26901266000).

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

16345072704 is an equidigital number, since it uses as much as digits as its factorization.

16345072704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85130602 (or 85130592 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 16345072704 in words is "sixteen billion, three hundred forty-five million, seventy-two thousand, seven hundred four".