166364542020984 has 64 divisors (see below), whose sum is σ = 415976936486400. Its totient is φ = 55446104066304.

The previous prime is 166364542020973. The next prime is 166364542021001. The reversal of 166364542020984 is 489020245463661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8034207159 + ... + 8034227865.

It is an arithmetic number, because the mean of its divisors is an integer number (6499639632600).

Almost surely, 2^{166364542020984} is an apocalyptic number.

It is an amenable number.

166364542020984 is an abundant number, since it is smaller than the sum of its proper divisors (249612394465416).

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

166364542020984 is a wasteful number, since it uses less digits than its factorization.

166364542020984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57332 (or 57328 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 60.

The spelling of 166364542020984 in words is "one hundred sixty-six trillion, three hundred sixty-four billion, five hundred forty-two million, twenty thousand, nine hundred eighty-four".