166409858310 has 48 divisors (see below), whose sum is σ = 400203596016. Its totient is φ = 44285044416.

The previous prime is 166409858297. The next prime is 166409858311. The reversal of 166409858310 is 13858904661.

It is a super-2 number, since 2×166409858310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166409858311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7458892 + ... + 7481168.

It is an arithmetic number, because the mean of its divisors is an integer number (8337574917).

Almost surely, 2^166409858310 is an apocalyptic number.

166409858310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166409858310 is an abundant number, since it is smaller than the sum of its proper divisors (233793737706).

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

166409858310 is an equidigital number, since it uses as much as digits as its factorization.

166409858310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23285 (or 22786 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 166409858310 in words is "one hundred sixty-six billion, four hundred nine million, eight hundred fifty-eight thousand, three hundred ten".