106932591 has 12 divisors (see below), whose sum is σ = 154558768. Its totient is φ = 71241984.

The previous prime is 106932577. The next prime is 106932607. The reversal of 106932591 is 195239601.

106932591 is a `hidden beast` number, since 1 + 0 + 69 + 3 + 2 + 591 = 666.

It is not a de Polignac number, because 106932591 - 2¹⁵ = 106899823 is a prime.

It is a super-2 number, since 2×106932591² = 22869158035946562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106932491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16206 + ... + 21828.

Almost surely, 2^106932591 is an apocalyptic number.

106932591 is a deficient number, since it is larger than the sum of its proper divisors (47626177).

106932591 is a wasteful number, since it uses less digits than its factorization.

106932591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742 (or 7739 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 106932591 is about 10340.8215824469. The cubic root of 106932591 is about 474.6462237409.

The spelling of 106932591 in words is "one hundred six million, nine hundred thirty-two thousand, five hundred ninety-one".