109663920 has 60 divisors (see below), whose sum is σ = 368290416. Its totient is φ = 29243520.

The previous prime is 109663913. The next prime is 109663921. The reversal of 109663920 is 29366901.

109663920 is a `hidden beast` number, since 10 + 9 + 6 + 639 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (109663921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75436 + ... + 76875.

Almost surely, 2^109663920 is an apocalyptic number.

109663920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109663920 is an abundant number, since it is smaller than the sum of its proper divisors (258626496).

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

109663920 is a wasteful number, since it uses less digits than its factorization.

109663920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152330 (or 152321 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 109663920 is about 10472.0542397373. The cubic root of 109663920 is about 478.6535180869.

The spelling of 109663920 in words is "one hundred nine million, six hundred sixty-three thousand, nine hundred twenty".