16400528937 has 24 divisors (see below), whose sum is σ = 25530121344. Its totient is φ = 10085438304.

The previous prime is 16400528923. The next prime is 16400528939. The reversal of 16400528937 is 73982500461.

It is not a de Polignac number, because 16400528937 - 2⁸ = 16400528681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16400528892 and 16400528901.

It is not an unprimeable number, because it can be changed into a prime (16400528939) 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, 117238 + ... + 215744.

It is an arithmetic number, because the mean of its divisors is an integer number (1063755056).

It is a 1-persistent number, because it is pandigital, but 2⋅16400528937 = 32801057874 is not.

Almost surely, 2^16400528937 is an apocalyptic number.

It is an amenable number.

16400528937 is a deficient number, since it is larger than the sum of its proper divisors (9129592407).

16400528937 is a wasteful number, since it uses less digits than its factorization.

16400528937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99949 (or 99946 counting only the distinct ones).

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

The spelling of 16400528937 in words is "sixteen billion, four hundred million, five hundred twenty-eight thousand, nine hundred thirty-seven".