166255460 has 24 divisors (see below), whose sum is σ = 399013440. Its totient is φ = 57001824.

The previous prime is 166255457. The next prime is 166255487. The reversal of 166255460 is 64552661.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 166255460.

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, 593630 + ... + 593909.

It is an arithmetic number, because the mean of its divisors is an integer number (16625560).

Almost surely, 2^166255460 is an apocalyptic number.

166255460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166255460 is an abundant number, since it is smaller than the sum of its proper divisors (232757980).

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

166255460 is a wasteful number, since it uses less digits than its factorization.

166255460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187555 (or 1187553 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 166255460 is about 12894.0086862077. The cubic root of 166255460 is about 549.8682439216.

The spelling of 166255460 in words is "one hundred sixty-six million, two hundred fifty-five thousand, four hundred sixty".