166575572214816 has 48 divisors (see below), whose sum is σ = 437333986893888. Its totient is φ = 55515906950400.

The previous prime is 166575572214809. The next prime is 166575572214853. The reversal of 166575572214816 is 618412275575661.

It is a tau number, because it is divible by the number of its divisors (48).

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, 144482020 + ... + 145630371.

It is an arithmetic number, because the mean of its divisors is an integer number (9111124726956).

Almost surely, 2^{166575572214816} is an apocalyptic number.

166575572214816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166575572214816 is an abundant number, since it is smaller than the sum of its proper divisors (270758414679072).

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

166575572214816 is a wasteful number, since it uses less digits than its factorization.

166575572214816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290118385 (or 290118377 counting only the distinct ones).

The product of its digits is 169344000, while the sum is 66.

The spelling of 166575572214816 in words is "one hundred sixty-six trillion, five hundred seventy-five billion, five hundred seventy-two million, two hundred fourteen thousand, eight hundred sixteen".