26672465658 has 64 divisors (see below), whose sum is σ = 58164019200. Its totient is φ = 8123042880.

The previous prime is 26672465653. The next prime is 26672465693. The reversal of 26672465658 is 85656427662.

It is a happy number.

It is a super-2 number, since 2×26672465658² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 26672465598 and 26672465607.

It is not an unprimeable number, because it can be changed into a prime (26672465653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1022583 + ... + 1048341.

It is an arithmetic number, because the mean of its divisors is an integer number (908812800).

Almost surely, 2^26672465658 is an apocalyptic number.

26672465658 is an abundant number, since it is smaller than the sum of its proper divisors (31491553542).

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

26672465658 is a wasteful number, since it uses less digits than its factorization.

26672465658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26107.

The product of its digits is 29030400, while the sum is 57.

The spelling of 26672465658 in words is "twenty-six billion, six hundred seventy-two million, four hundred sixty-five thousand, six hundred fifty-eight".