16025864794 has 4 divisors (see below), whose sum is σ = 24038797194. Its totient is φ = 8012932396.

The previous prime is 16025864779. The next prime is 16025864801. The reversal of 16025864794 is 49746852061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15872724169 + 153140625 = 125987^2 + 12375^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006466197 + ... + 4006466200.

Almost surely, 2^16025864794 is an apocalyptic number.

16025864794 is a deficient number, since it is larger than the sum of its proper divisors (8012932400).

16025864794 is an equidigital number, since it uses as much as digits as its factorization.

16025864794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012932399.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 16025864794 in words is "sixteen billion, twenty-five million, eight hundred sixty-four thousand, seven hundred ninety-four".