166634130 has 64 divisors (see below), whose sum is σ = 433133568. Its totient is φ = 40784640.

The previous prime is 166634071. The next prime is 166634137. The reversal of 166634130 is 31436661.

166634130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (166634137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73372 + ... + 75608.

It is an arithmetic number, because the mean of its divisors is an integer number (6767712).

Almost surely, 2^166634130 is an apocalyptic number.

166634130 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 166634130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216566784).

166634130 is an abundant number, since it is smaller than the sum of its proper divisors (266499438).

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

166634130 is a wasteful number, since it uses less digits than its factorization.

166634130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 166634130 is about 12908.6842861695. The cubic root of 166634130 is about 550.2853945831.

The spelling of 166634130 in words is "one hundred sixty-six million, six hundred thirty-four thousand, one hundred thirty".