16425377626415 has 24 divisors (see below), whose sum is σ = 20803269907728. Its totient is φ = 12448213620480.

The previous prime is 16425377626409. The next prime is 16425377626439. The reversal of 16425377626415 is 51462677352461.

It is not a de Polignac number, because 16425377626415 - 2¹⁸ = 16425377364271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49075424 + ... + 49408986.

It is an arithmetic number, because the mean of its divisors is an integer number (866802912822).

Almost surely, 2^{16425377626415} is an apocalyptic number.

16425377626415 is a deficient number, since it is larger than the sum of its proper divisors (4377892281313).

16425377626415 is a wasteful number, since it uses less digits than its factorization.

16425377626415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360887 (or 360868 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 59.

The spelling of 16425377626415 in words is "sixteen trillion, four hundred twenty-five billion, three hundred seventy-seven million, six hundred twenty-six thousand, four hundred fifteen".