166088307140 has 48 divisors (see below), whose sum is σ = 422059704192. Its totient is φ = 53594881536.

The previous prime is 166088307109. The next prime is 166088307149. The reversal of 166088307140 is 41703880661.

It is a junction number, because it is equal to n+sod(n) for n = 166088307091 and 166088307100.

It is not an unprimeable number, because it can be changed into a prime (166088307149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34890122 + ... + 34894881.

It is an arithmetic number, because the mean of its divisors is an integer number (8792910504).

Almost surely, 2^166088307140 is an apocalyptic number.

166088307140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166088307140 is an abundant number, since it is smaller than the sum of its proper divisors (255971397052).

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

166088307140 is a wasteful number, since it uses less digits than its factorization.

166088307140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69785036 (or 69785034 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 166088307140 in words is "one hundred sixty-six billion, eighty-eight million, three hundred seven thousand, one hundred forty".