16268956625 has 16 divisors (see below), whose sum is σ = 21372274560. Its totient is φ = 12330154800.

The previous prime is 16268956621. The next prime is 16268956651. The reversal of 16268956625 is 52665986261.

It is not a de Polignac number, because 16268956625 - 2² = 16268956621 is a prime.

It is a super-2 number, since 2×16268956625² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16268956621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3422669 + ... + 3427418.

It is an arithmetic number, because the mean of its divisors is an integer number (1335767160).

Almost surely, 2^16268956625 is an apocalyptic number.

It is an amenable number.

16268956625 is a deficient number, since it is larger than the sum of its proper divisors (5103317935).

16268956625 is an equidigital number, since it uses as much as digits as its factorization.

16268956625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850121 (or 6850111 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 56.

The spelling of 16268956625 in words is "sixteen billion, two hundred sixty-eight million, nine hundred fifty-six thousand, six hundred twenty-five".