26658612967 has 64 divisors (see below), whose sum is σ = 35026698240. Its totient is φ = 19758816000.

The previous prime is 26658612947. The next prime is 26658612973. The reversal of 26658612967 is 76921685662.

It is not a de Polignac number, because 26658612967 - 2¹⁵ = 26658580199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26658612947) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6920592 + ... + 6924442.

It is an arithmetic number, because the mean of its divisors is an integer number (547292160).

Almost surely, 2^26658612967 is an apocalyptic number.

26658612967 is a deficient number, since it is larger than the sum of its proper divisors (8368085273).

26658612967 is a wasteful number, since it uses less digits than its factorization.

26658612967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004.

The product of its digits is 13063680, while the sum is 58.

The spelling of 26658612967 in words is "twenty-six billion, six hundred fifty-eight million, six hundred twelve thousand, nine hundred sixty-seven".