166151630 has 16 divisors (see below), whose sum is σ = 308721024. Its totient is φ = 64316640.

The previous prime is 166151621. The next prime is 166151653. The reversal of 166151630 is 36151661.

166151630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166151593 and 166151602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267677 + ... + 268296.

It is an arithmetic number, because the mean of its divisors is an integer number (19295064).

Almost surely, 2^166151630 is an apocalyptic number.

166151630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166151630 is a deficient number, since it is larger than the sum of its proper divisors (142569394).

166151630 is a wasteful number, since it uses less digits than its factorization.

166151630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536011.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 166151630 is about 12889.9817688001. The cubic root of 166151630 is about 549.7537520244.

The spelling of 166151630 in words is "one hundred sixty-six million, one hundred fifty-one thousand, six hundred thirty".