166920298344 has 192 divisors, whose sum is σ = 472184207040. Its totient is φ = 55242570240.

The previous prime is 166920298327. The next prime is 166920298357. The reversal of 166920298344 is 443892029661.

166920298344 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 2 + 0 + 298 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241563039 + ... + 241563729.

It is an arithmetic number, because the mean of its divisors is an integer number (2459292745).

Almost surely, 2^166920298344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166920298344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236092103520).

166920298344 is an abundant number, since it is smaller than the sum of its proper divisors (305263908696).

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

166920298344 is a wasteful number, since it uses less digits than its factorization.

166920298344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 166920298344 in words is "one hundred sixty-six billion, nine hundred twenty million, two hundred ninety-eight thousand, three hundred forty-four".