166670025190002 has 128 divisors (see below), whose sum is σ = 372678060153600. Its totient is φ = 55212879052800.

The previous prime is 166670025190001. The next prime is 166670025190043. The reversal of 166670025190002 is 200091520076661.

It is a self number, because there is not a number n which added to its sum of digits gives 166670025190002.

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 63 ways as a sum of consecutive naturals, for example, 9502814949 + ... + 9502832487.

It is an arithmetic number, because the mean of its divisors is an integer number (2911547344950).

Almost surely, 2^{166670025190002} is an apocalyptic number.

166670025190002 is an abundant number, since it is smaller than the sum of its proper divisors (206008034963598).

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

166670025190002 is a wasteful number, since it uses less digits than its factorization.

166670025190002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19449 (or 19443 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 166670025190002 in words is "one hundred sixty-six trillion, six hundred seventy billion, twenty-five million, one hundred ninety thousand, two".