16215466025 has 24 divisors (see below), whose sum is σ = 21961136064. Its totient is φ = 11779070400.

The previous prime is 16215466009. The next prime is 16215466051. The reversal of 16215466025 is 52066451261.

It is not a de Polignac number, because 16215466025 - 2⁴ = 16215466009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16215466025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200012 + ... + 269138.

It is an arithmetic number, because the mean of its divisors is an integer number (915047336).

Almost surely, 2^16215466025 is an apocalyptic number.

It is an amenable number.

16215466025 is a deficient number, since it is larger than the sum of its proper divisors (5745670039).

16215466025 is a wasteful number, since it uses less digits than its factorization.

16215466025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70001 (or 69996 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 16215466025 in words is "sixteen billion, two hundred fifteen million, four hundred sixty-six thousand, twenty-five".