108165540 has 72 divisors (see below), whose sum is σ = 352320192. Its totient is φ = 24722880.

The previous prime is 108165539. The next prime is 108165569. The reversal of 108165540 is 45561801.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 108165498 and 108165507.

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, 15456 + ... + 21335.

It is an arithmetic number, because the mean of its divisors is an integer number (4893336).

Almost surely, 2^108165540 is an apocalyptic number.

108165540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108165540 is an abundant number, since it is smaller than the sum of its proper divisors (244154652).

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

108165540 is a wasteful number, since it uses less digits than its factorization.

108165540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36817 (or 36808 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 108165540 is about 10400.2663427433. The cubic root of 108165540 is about 476.4635046868.

The spelling of 108165540 in words is "one hundred eight million, one hundred sixty-five thousand, five hundred forty".