106661788 has 12 divisors (see below), whose sum is σ = 187474840. Its totient is φ = 53097552.

The previous prime is 106661777. The next prime is 106661803. The reversal of 106661788 is 887166601.

It is a super-2 number, since 2×106661788² = 22753474038713888, 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, 57306 + ... + 59137.

Almost surely, 2^106661788 is an apocalyptic number.

It is an amenable number.

106661788 is a deficient number, since it is larger than the sum of its proper divisors (80813052).

106661788 is a wasteful number, since it uses less digits than its factorization.

106661788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116676 (or 116674 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 106661788 is about 10327.7193997513. The cubic root of 106661788 is about 474.2452101148.

The spelling of 106661788 in words is "one hundred six million, six hundred sixty-one thousand, seven hundred eighty-eight".