166791462823 has 8 divisors (see below), whose sum is σ = 177024219120. Its totient is φ = 156605539200.

The previous prime is 166791462811. The next prime is 166791462829. The reversal of 166791462823 is 328264197661.

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

It is a cyclic number.

It is not a de Polignac number, because 166791462823 - 2⁵ = 166791462791 is a prime.

It is a super-2 number, since 2×166791462823² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166791462829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11700828 + ... + 11715073.

It is an arithmetic number, because the mean of its divisors is an integer number (22128027390).

Almost surely, 2^166791462823 is an apocalyptic number.

166791462823 is a deficient number, since it is larger than the sum of its proper divisors (10232756297).

166791462823 is a wasteful number, since it uses less digits than its factorization.

166791462823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23416337.

The product of its digits is 5225472, while the sum is 55.

The spelling of 166791462823 in words is "one hundred sixty-six billion, seven hundred ninety-one million, four hundred sixty-two thousand, eight hundred twenty-three".