16416277625 has 16 divisors (see below), whose sum is σ = 22350017664. Its totient is φ = 11939110000.

The previous prime is 16416277621. The next prime is 16416277627. The reversal of 16416277625 is 52677261461.

It is not a de Polignac number, because 16416277625 - 2² = 16416277621 is a prime.

It is a super-2 number, since 2×16416277625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16416277625.

It is not an unprimeable number, because it can be changed into a prime (16416277621) 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, 5968181 + ... + 5970930.

It is an arithmetic number, because the mean of its divisors is an integer number (1396876104).

Almost surely, 2^16416277625 is an apocalyptic number.

It is an amenable number.

16416277625 is a deficient number, since it is larger than the sum of its proper divisors (5933740039).

16416277625 is a wasteful number, since it uses less digits than its factorization.

16416277625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11939137 (or 11939127 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The spelling of 16416277625 in words is "sixteen billion, four hundred sixteen million, two hundred seventy-seven thousand, six hundred twenty-five".