26020145164 has 18 divisors (see below), whose sum is σ = 49307406540. Its totient is φ = 12009297456.

The previous prime is 26020145153. The next prime is 26020145183. The reversal of 26020145164 is 46154102062.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19244994 + ... + 19246345.

Almost surely, 2^26020145164 is an apocalyptic number.

It is an amenable number.

26020145164 is a deficient number, since it is larger than the sum of its proper divisors (23287261376).

26020145164 is a wasteful number, since it uses less digits than its factorization.

26020145164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38491369 (or 38491354 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 26020145164 in words is "twenty-six billion, twenty million, one hundred forty-five thousand, one hundred sixty-four".