106638816 has 24 divisors (see below), whose sum is σ = 279927144. Its totient is φ = 35546240.

The previous prime is 106638803. The next prime is 106638859. The reversal of 106638816 is 618836601.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×106638816² = 22743674155763712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555315 + ... + 555506.

It is an arithmetic number, because the mean of its divisors is an integer number (11663631).

Almost surely, 2^106638816 is an apocalyptic number.

106638816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

106638816 is an abundant number, since it is smaller than the sum of its proper divisors (173288328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106638816 is a wasteful number, since it uses less digits than its factorization.

106638816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110834 (or 1110826 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 106638816 is about 10326.6071872615. The cubic root of 106638816 is about 474.2111612350.

The spelling of 106638816 in words is "one hundred six million, six hundred thirty-eight thousand, eight hundred sixteen".