166158425292 has 24 divisors (see below), whose sum is σ = 388566486000. Its totient is φ = 55262785536.

The previous prime is 166158425249. The next prime is 166158425369. The reversal of 166158425292 is 292524851661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15413917 + ... + 15424692.

It is an arithmetic number, because the mean of its divisors is an integer number (16190270250).

Almost surely, 2^166158425292 is an apocalyptic number.

166158425292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166158425292 is an abundant number, since it is smaller than the sum of its proper divisors (222408060708).

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

166158425292 is a wasteful number, since it uses less digits than its factorization.

166158425292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30839065 (or 30839063 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The spelling of 166158425292 in words is "one hundred sixty-six billion, one hundred fifty-eight million, four hundred twenty-five thousand, two hundred ninety-two".