106632491 has 8 divisors (see below), whose sum is σ = 121928160. Its totient is φ = 91352448.

The previous prime is 106632473. The next prime is 106632497. The reversal of 106632491 is 194236601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106632491 is a prime.

It is a super-2 number, since 2×106632491² = 22740976273730162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106632497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25265 + ... + 29181.

It is an arithmetic number, because the mean of its divisors is an integer number (15241020).

Almost surely, 2^106632491 is an apocalyptic number.

106632491 is a deficient number, since it is larger than the sum of its proper divisors (15295669).

106632491 is an equidigital number, since it uses as much as digits as its factorization.

106632491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 106632491 is about 10326.3009349912. The cubic root of 106632491 is about 474.2017855217.

The spelling of 106632491 in words is "one hundred six million, six hundred thirty-two thousand, four hundred ninety-one".