166152382623 has 24 divisors (see below), whose sum is σ = 248955795088. Its totient is φ = 110737502784.

The previous prime is 166152382601. The next prime is 166152382691. The reversal of 166152382623 is 326283251661.

166152382623 is a `hidden beast` number, since 1 + 6 + 6 + 15 + 2 + 3 + 8 + 2 + 623 = 666.

It is not a de Polignac number, because 166152382623 - 2⁹ = 166152382111 is a prime.

It is a super-2 number, since 2×166152382623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166152382523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799461 + ... + 985617.

Almost surely, 2^166152382623 is an apocalyptic number.

166152382623 is a deficient number, since it is larger than the sum of its proper divisors (82803412465).

166152382623 is an equidigital number, since it uses as much as digits as its factorization.

166152382623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189845 (or 189833 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 166152382623 in words is "one hundred sixty-six billion, one hundred fifty-two million, three hundred eighty-two thousand, six hundred twenty-three".