166827142074 has 16 divisors (see below), whose sum is σ = 333659215008. Its totient is φ = 55608225552.

The previous prime is 166827142063. The next prime is 166827142109. The reversal of 166827142074 is 470241728661.

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, 349824 + ... + 675300.

It is an arithmetic number, because the mean of its divisors is an integer number (20853700938).

Almost surely, 2^166827142074 is an apocalyptic number.

166827142074 is an abundant number, since it is smaller than the sum of its proper divisors (166832072934).

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

166827142074 is a wasteful number, since it uses less digits than its factorization.

166827142074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410909.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 166827142074 in words is "one hundred sixty-six billion, eight hundred twenty-seven million, one hundred forty-two thousand, seventy-four".