130166428 has 12 divisors (see below), whose sum is σ = 260332912. Its totient is φ = 55785600.

The previous prime is 130166419. The next prime is 130166429. The reversal of 130166428 is 824661031.

It is a happy number.

130166428 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 130166428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130166429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324373 + ... + 2324428.

Almost surely, 2^130166428 is an apocalyptic number.

It is an amenable number.

130166428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130166428 is a wasteful number, since it uses less digits than its factorization.

130166428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648812 (or 4648810 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 130166428 is about 11409.0502672221. The cubic root of 130166428 is about 506.7957867672.

The spelling of 130166428 in words is "one hundred thirty million, one hundred sixty-six thousand, four hundred twenty-eight".