166842827577804 has 96 divisors (see below), whose sum is σ = 447095978090496. Its totient is φ = 47436043556160.

The previous prime is 166842827577793. The next prime is 166842827577817. The reversal of 166842827577804 is 408775728248661.

It is a super-2 number, since 2×166842827577804² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14394607 + ... + 23257049.

It is an arithmetic number, because the mean of its divisors is an integer number (4657249771776).

Almost surely, 2^{166842827577804} is an apocalyptic number.

166842827577804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166842827577804 is an abundant number, since it is smaller than the sum of its proper divisors (280253150512692).

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

166842827577804 is a wasteful number, since it uses less digits than its factorization.

166842827577804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8863555 (or 8863553 counting only the distinct ones).

The product of its (nonzero) digits is 2023096320, while the sum is 75.

The spelling of 166842827577804 in words is "one hundred sixty-six trillion, eight hundred forty-two billion, eight hundred twenty-seven million, five hundred seventy-seven thousand, eight hundred four".