16252504000 has 56 divisors (see below), whose sum is σ = 40249345968. Its totient is φ = 6500998400.

The previous prime is 16252503991. The next prime is 16252504001. The reversal of 16252504000 is 40525261.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252504001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007782 + ... + 1023781.

Almost surely, 2^16252504000 is an apocalyptic number.

16252504000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16252504000 is an abundant number, since it is smaller than the sum of its proper divisors (23996841968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16252504000 is an equidigital number, since it uses as much as digits as its factorization.

16252504000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031590 (or 2031570 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 16252504000 in words is "sixteen billion, two hundred fifty-two million, five hundred four thousand".