26612525551164 has 24 divisors (see below), whose sum is σ = 70966734803328. Its totient is φ = 7603578728880.

The previous prime is 26612525551163. The next prime is 26612525551207. The reversal of 26612525551164 is 46115552521662.

It is a happy number.

It is a super-2 number, since 2×26612525551164² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26612525551163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158407890102 + ... + 158407890269.

It is an arithmetic number, because the mean of its divisors is an integer number (2956947283472).

Almost surely, 2^{26612525551164} is an apocalyptic number.

It is an amenable number.

26612525551164 is an abundant number, since it is smaller than the sum of its proper divisors (44354209252164).

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

26612525551164 is a wasteful number, since it uses less digits than its factorization.

26612525551164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316815780385 (or 316815780383 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 51.

The spelling of 26612525551164 in words is "twenty-six trillion, six hundred twelve billion, five hundred twenty-five million, five hundred fifty-one thousand, one hundred sixty-four".