166670025190000 has 100 divisors (see below), whose sum is σ = 409052536737856. Its totient is φ = 65754749376000.

The previous prime is 166670025189971. The next prime is 166670025190001. The reversal of 166670025190000 is 91520076661.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×166670025190000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166670025190001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113427552 + ... + 114887551.

Almost surely, 2^{166670025190000} is an apocalyptic number.

166670025190000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166670025190000 is an abundant number, since it is smaller than the sum of its proper divisors (242382511547856).

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

166670025190000 is an equidigital number, since it uses as much as digits as its factorization.

166670025190000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228315204 (or 228315183 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 166670025190000 in words is "one hundred sixty-six trillion, six hundred seventy billion, twenty-five million, one hundred ninety thousand".