106506564291 has 6 divisors (see below), whose sum is σ = 153842815100. Its totient is φ = 71004376188.

The previous prime is 106506564233. The next prime is 106506564299. The reversal of 106506564291 is 192465605601.

106506564291 is a `hidden beast` number, since 1 + 0 + 6 + 506 + 56 + 4 + 2 + 91 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-106506564291 is a prime.

It is a super-2 number, since 2×106506564291² (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 (106506564299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5917031341 + ... + 5917031358.

Almost surely, 2^106506564291 is an apocalyptic number.

106506564291 is a deficient number, since it is larger than the sum of its proper divisors (47336250809).

106506564291 is a wasteful number, since it uses less digits than its factorization.

106506564291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11834062705 (or 11834062702 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 106506564291 in words is "one hundred six billion, five hundred six million, five hundred sixty-four thousand, two hundred ninety-one".