106638508 has 12 divisors (see below), whose sum is σ = 187419960. Its totient is φ = 53089952.

The previous prime is 106638487. The next prime is 106638509. The reversal of 106638508 is 805836601.

It is a super-2 number, since 2×106638508² = 22743542776932128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106638509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56278 + ... + 58141.

It is an arithmetic number, because the mean of its divisors is an integer number (15618330).

Almost surely, 2^106638508 is an apocalyptic number.

It is an amenable number.

106638508 is a deficient number, since it is larger than the sum of its proper divisors (80781452).

106638508 is a wasteful number, since it uses less digits than its factorization.

106638508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114656 (or 114654 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 106638508 is about 10326.5922743178. The cubic root of 106638508 is about 474.2107046872.

The spelling of 106638508 in words is "one hundred six million, six hundred thirty-eight thousand, five hundred eight".