16631262404 has 12 divisors (see below), whose sum is σ = 29107386924. Its totient is φ = 8314866144.

The previous prime is 16631262391. The next prime is 16631262407. The reversal of 16631262404 is 40426213661.

It can be written as a sum of positive squares in 2 ways, for example, as 7115259904 + 9516002500 = 84352^2 + 97550^2 .

It is not an unprimeable number, because it can be changed into a prime (16631262407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140879 + ... + 230454.

It is an arithmetic number, because the mean of its divisors is an integer number (2425615577).

Almost surely, 2^16631262404 is an apocalyptic number.

It is an amenable number.

16631262404 is a deficient number, since it is larger than the sum of its proper divisors (12476124520).

16631262404 is a wasteful number, since it uses less digits than its factorization.

16631262404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382534 (or 382532 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 16631262404 in words is "sixteen billion, six hundred thirty-one million, two hundred sixty-two thousand, four hundred four".