166658160 has 40 divisors (see below), whose sum is σ = 516641040. Its totient is φ = 44442112.

The previous prime is 166658137. The next prime is 166658183. The reversal of 166658160 is 61856661.

It is an interprime number because it is at equal distance from previous prime (166658137) and next prime (166658183).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 346965 + ... + 347444.

It is an arithmetic number, because the mean of its divisors is an integer number (12916026).

Almost surely, 2^166658160 is an apocalyptic number.

166658160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166658160 is an abundant number, since it is smaller than the sum of its proper divisors (349982880).

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

166658160 is a wasteful number, since it uses less digits than its factorization.

166658160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694425 (or 694419 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 166658160 is about 12909.6150213707. The cubic root of 166658160 is about 550.3118451917.

The spelling of 166658160 in words is "one hundred sixty-six million, six hundred fifty-eight thousand, one hundred sixty".