109162690 has 48 divisors (see below), whose sum is σ = 246170232. Its totient is φ = 34546176.

The previous prime is 109162673. The next prime is 109162709. The reversal of 109162690 is 96261901.

It can be written as a sum of positive squares in 4 ways, for example, as 30503529 + 78659161 = 5523^2 + 8869^2 .

It is a super-2 number, since 2×109162690² = 23832985776072200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2199 + ... + 14938.

Almost surely, 2^109162690 is an apocalyptic number.

109162690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109162690 is an abundant number, since it is smaller than the sum of its proper divisors (137007542).

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

109162690 is a wasteful number, since it uses less digits than its factorization.

109162690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17171 (or 17164 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 109162690 is about 10448.0950416810. The cubic root of 109162690 is about 477.9231595115.

The spelling of 109162690 in words is "one hundred nine million, one hundred sixty-two thousand, six hundred ninety".