166375375950 has 192 divisors, whose sum is σ = 477086607360. Its totient is φ = 37584000000.

The previous prime is 166375375949. The next prime is 166375375973. The reversal of 166375375950 is 59573573661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79642506 + ... + 79644594.

It is an arithmetic number, because the mean of its divisors is an integer number (2484826080).

Almost surely, 2^166375375950 is an apocalyptic number.

166375375950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166375375950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238543303680).

166375375950 is an abundant number, since it is smaller than the sum of its proper divisors (310711231410).

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

166375375950 is a wasteful number, since it uses less digits than its factorization.

166375375950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963 (or 2958 counting only the distinct ones).

The product of its (nonzero) digits is 17860500, while the sum is 57.

The spelling of 166375375950 in words is "one hundred sixty-six billion, three hundred seventy-five million, three hundred seventy-five thousand, nine hundred fifty".