100564664233 has 16 divisors (see below), whose sum is σ = 111984118272. Its totient is φ = 89537616000.

The previous prime is 100564664231. The next prime is 100564664281. The reversal of 100564664233 is 332466465001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100564664233 - 2¹ = 100564664231 is a prime.

It is a super-2 number, since 2×100564664233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100564664231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165273 + ... + 477958.

It is an arithmetic number, because the mean of its divisors is an integer number (6999007392).

Almost surely, 2^100564664233 is an apocalyptic number.

It is an amenable number.

100564664233 is a deficient number, since it is larger than the sum of its proper divisors (11419454039).

100564664233 is a wasteful number, since it uses less digits than its factorization.

100564664233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643536.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 100564664233 in words is "one hundred billion, five hundred sixty-four million, six hundred sixty-four thousand, two hundred thirty-three".