166853368534 has 8 divisors (see below), whose sum is σ = 250353913680. Its totient is φ = 83402063976.

The previous prime is 166853368523. The next prime is 166853368607. The reversal of 166853368534 is 435863358661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×166853368534² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12301674 + ... + 12315229.

It is an arithmetic number, because the mean of its divisors is an integer number (31294239210).

Almost surely, 2^166853368534 is an apocalyptic number.

166853368534 is a deficient number, since it is larger than the sum of its proper divisors (83500545146).

166853368534 is a wasteful number, since it uses less digits than its factorization.

166853368534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24620294.

The product of its digits is 37324800, while the sum is 58.

The spelling of 166853368534 in words is "one hundred sixty-six billion, eight hundred fifty-three million, three hundred sixty-eight thousand, five hundred thirty-four".