166651350 has 48 divisors (see below), whose sum is σ = 426639360. Its totient is φ = 43005600.

The previous prime is 166651349. The next prime is 166651351. The reversal of 166651350 is 53156661.

It is an interprime number because it is at equal distance from previous prime (166651349) and next prime (166651351).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166651351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13270 + ... + 22569.

It is an arithmetic number, because the mean of its divisors is an integer number (8888320).

Almost surely, 2^166651350 is an apocalyptic number.

166651350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166651350 is an abundant number, since it is smaller than the sum of its proper divisors (259988010).

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

166651350 is a wasteful number, since it uses less digits than its factorization.

166651350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35885 (or 35880 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 166651350 is about 12909.3512617792. The cubic root of 166651350 is about 550.3043494596.

The spelling of 166651350 in words is "one hundred sixty-six million, six hundred fifty-one thousand, three hundred fifty".