109699660 has 24 divisors (see below), whose sum is σ = 263279520. Its totient is φ = 37611264.

The previous prime is 109699649. The next prime is 109699693. The reversal of 109699660 is 66996901.

It is a self number, because there is not a number n which added to its sum of digits gives 109699660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391645 + ... + 391924.

It is an arithmetic number, because the mean of its divisors is an integer number (10969980).

Almost surely, 2^109699660 is an apocalyptic number.

109699660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109699660 is an abundant number, since it is smaller than the sum of its proper divisors (153579860).

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

109699660 is a wasteful number, since it uses less digits than its factorization.

109699660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783585 (or 783583 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 109699660 is about 10473.7605471960. The cubic root of 109699660 is about 478.7055109352.

The spelling of 109699660 in words is "one hundred nine million, six hundred ninety-nine thousand, six hundred sixty".