166475252850 has 48 divisors (see below), whose sum is σ = 412928675040. Its totient is φ = 44385868800.

The previous prime is 166475252849. The next prime is 166475252939. The reversal of 166475252850 is 58252574661.

It is a super-2 number, since 2×166475252850² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166475252793 and 166475252802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 822546 + ... + 1004754.

It is an arithmetic number, because the mean of its divisors is an integer number (8602680730).

Almost surely, 2^166475252850 is an apocalyptic number.

166475252850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166475252850 is an abundant number, since it is smaller than the sum of its proper divisors (246453422190).

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

166475252850 is a wasteful number, since it uses less digits than its factorization.

166475252850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188315 (or 188310 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 166475252850 in words is "one hundred sixty-six billion, four hundred seventy-five million, two hundred fifty-two thousand, eight hundred fifty".