142166392624920 has 128 divisors (see below), whose sum is σ = 449624391229440. Its totient is φ = 35907503377920.

The previous prime is 142166392624849. The next prime is 142166392624939. The reversal of 142166392624920 is 29426293661241.

It is a happy number.

It is a super-2 number, since 2×142166392624920² (a number of 29 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 31 ways as a sum of consecutive naturals, for example, 406386567 + ... + 406736246.

It is an arithmetic number, because the mean of its divisors is an integer number (3512690556480).

Almost surely, 2^{142166392624920} is an apocalyptic number.

142166392624920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142166392624920 is an abundant number, since it is smaller than the sum of its proper divisors (307457998604520).

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

142166392624920 is a wasteful number, since it uses less digits than its factorization.

142166392624920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813122905 (or 813122901 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 142166392624920 in words is "one hundred forty-two trillion, one hundred sixty-six billion, three hundred ninety-two million, six hundred twenty-four thousand, nine hundred twenty".