26687553016 has 16 divisors (see below), whose sum is σ = 52214778000. Its totient is φ = 12763612224.

The previous prime is 26687552987. The next prime is 26687553043. The reversal of 26687553016 is 61035578662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72520341 + ... + 72520708.

It is an arithmetic number, because the mean of its divisors is an integer number (3263423625).

Almost surely, 2^26687553016 is an apocalyptic number.

It is an amenable number.

26687553016 is a deficient number, since it is larger than the sum of its proper divisors (25527224984).

26687553016 is a wasteful number, since it uses less digits than its factorization.

26687553016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145041078 (or 145041074 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 26687553016 in words is "twenty-six billion, six hundred eighty-seven million, five hundred fifty-three thousand, sixteen".