26516020716 has 36 divisors (see below), whose sum is σ = 67038790000. Its totient is φ = 8837067168.

The previous prime is 26516020709. The next prime is 26516020799. The reversal of 26516020716 is 61702061562.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×26516020716² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142905 + ... + 271023.

Almost surely, 2^26516020716 is an apocalyptic number.

It is an amenable number.

26516020716 is an abundant number, since it is smaller than the sum of its proper divisors (40522769284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26516020716 is a wasteful number, since it uses less digits than its factorization.

26516020716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133878 (or 133873 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 26516020716 in words is "twenty-six billion, five hundred sixteen million, twenty thousand, seven hundred sixteen".