16425539179165 has 16 divisors (see below), whose sum is σ = 20567976035328. Its totient is φ = 12568897794816.

The previous prime is 16425539179109. The next prime is 16425539179213. The reversal of 16425539179165 is 56197193552461.

It is a cyclic number.

It is not a de Polignac number, because 16425539179165 - 2¹³ = 16425539170973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16425539179097 and 16425539179106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5884084 + ... + 8214226.

It is an arithmetic number, because the mean of its divisors is an integer number (1285498502208).

Almost surely, 2^{16425539179165} is an apocalyptic number.

It is an amenable number.

16425539179165 is a deficient number, since it is larger than the sum of its proper divisors (4142436856163).

16425539179165 is a wasteful number, since it uses less digits than its factorization.

16425539179165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391468.

The product of its digits is 61236000, while the sum is 64.

The spelling of 16425539179165 in words is "sixteen trillion, four hundred twenty-five billion, five hundred thirty-nine million, one hundred seventy-nine thousand, one hundred sixty-five".