166379398882424 has 512 divisors, whose sum is σ = 450755020800000. Its totient is φ = 56794888765440.

The previous prime is 166379398882409. The next prime is 166379398882427. The reversal of 166379398882424 is 424288893973661.

It is a super-2 number, since 2×166379398882424² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166379398882427) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 356950832 + ... + 357416640.

It is an arithmetic number, because the mean of its divisors is an integer number (880380900000).

Almost surely, 2^{166379398882424} is an apocalyptic number.

166379398882424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166379398882424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225377510400000).

166379398882424 is an abundant number, since it is smaller than the sum of its proper divisors (284375621917576).

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

166379398882424 is a wasteful number, since it uses less digits than its factorization.

166379398882424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465916 (or 465898 counting only the distinct ones).

The product of its digits is 6019743744, while the sum is 80.

The spelling of 166379398882424 in words is "one hundred sixty-six trillion, three hundred seventy-nine billion, three hundred ninety-eight million, eight hundred eighty-two thousand, four hundred twenty-four".