16381902275 has 12 divisors (see below), whose sum is σ = 20646569904. Its totient is φ = 12890676000.

The previous prime is 16381902263. The next prime is 16381902281. The reversal of 16381902275 is 57220918361.

It is a de Polignac number, because none of the positive numbers 2^k-16381902275 is a prime.

It is a Duffinian number.

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, 5369591 + ... + 5372640.

It is an arithmetic number, because the mean of its divisors is an integer number (1720547492).

Almost surely, 2^16381902275 is an apocalyptic number.

16381902275 is a deficient number, since it is larger than the sum of its proper divisors (4264667629).

16381902275 is a wasteful number, since it uses less digits than its factorization.

16381902275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742302 (or 10742297 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 16381902275 in words is "sixteen billion, three hundred eighty-one million, nine hundred two thousand, two hundred seventy-five".