166955456 has 28 divisors (see below), whose sum is σ = 335036160. Its totient is φ = 82536960.

The previous prime is 166955449. The next prime is 166955471. The reversal of 166955456 is 654559661.

It is a self number, because there is not a number n which added to its sum of digits gives 166955456.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8960 + ... + 20351.

Almost surely, 2^166955456 is an apocalyptic number.

166955456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166955456 is an abundant number, since it is smaller than the sum of its proper divisors (168080704).

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

166955456 is an equidigital number, since it uses as much as digits as its factorization.

166955456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29412 (or 29402 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 166955456 is about 12921.1244092765. The cubic root of 166955456 is about 550.6388785297.

The spelling of 166955456 in words is "one hundred sixty-six million, nine hundred fifty-five thousand, four hundred fifty-six".