16252540264 has 16 divisors (see below), whose sum is σ = 32077382400. Its totient is φ = 7698571632.

The previous prime is 16252540237. The next prime is 16252540313. The reversal of 16252540264 is 46204525261.

It is a happy number.

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, 53462152 + ... + 53462455.

It is an arithmetic number, because the mean of its divisors is an integer number (2004836400).

Almost surely, 2^16252540264 is an apocalyptic number.

It is an amenable number.

16252540264 is a deficient number, since it is larger than the sum of its proper divisors (15824842136).

16252540264 is a wasteful number, since it uses less digits than its factorization.

16252540264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106924632 (or 106924628 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

It can be divided in two parts, 16252 and 540264, that added together give a square (556516 = 746²).

The spelling of 16252540264 in words is "sixteen billion, two hundred fifty-two million, five hundred forty thousand, two hundred sixty-four".