166215360 has 56 divisors (see below), whose sum is σ = 527736816. Its totient is φ = 44323840.

The previous prime is 166215349. The next prime is 166215389. The reversal of 166215360 is 63512661.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85611 + ... + 87530.

Almost surely, 2^166215360 is an apocalyptic number.

166215360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166215360 is an abundant number, since it is smaller than the sum of its proper divisors (361521456).

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

166215360 is a wasteful number, since it uses less digits than its factorization.

166215360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173161 (or 173151 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 166215360 is about 12892.4536066646. The cubic root of 166215360 is about 549.8240318607.

The spelling of 166215360 in words is "one hundred sixty-six million, two hundred fifteen thousand, three hundred sixty".