166052388250 has 256 divisors, whose sum is σ = 377017804800. Its totient is φ = 54698112000.

The previous prime is 166052388247. The next prime is 166052388251. The reversal of 166052388250 is 52883250661.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 166052388250.

It is not an unprimeable number, because it can be changed into a prime (166052388251) 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, 256649427 + ... + 256650073.

It is an arithmetic number, because the mean of its divisors is an integer number (1472725800).

Almost surely, 2^166052388250 is an apocalyptic number.

166052388250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166052388250 is an abundant number, since it is smaller than the sum of its proper divisors (210965416550).

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

166052388250 is an equidigital number, since it uses as much as digits as its factorization.

166052388250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 166052388250 in words is "one hundred sixty-six billion, fifty-two million, three hundred eighty-eight thousand, two hundred fifty".