130166520 has 128 divisors (see below), whose sum is σ = 439879680. Its totient is φ = 30528000.

The previous prime is 130166507. The next prime is 130166527. The reversal of 130166520 is 25661031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130166527) 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, 39330 + ... + 42510.

It is an arithmetic number, because the mean of its divisors is an integer number (3436560).

Almost surely, 2^130166520 is an apocalyptic number.

130166520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130166520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219939840).

130166520 is an abundant number, since it is smaller than the sum of its proper divisors (309713160).

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

130166520 is a wasteful number, since it uses less digits than its factorization.

130166520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237 (or 3233 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 130166520 is about 11409.0542991082. The cubic root of 130166520 is about 506.7959061662.

The spelling of 130166520 in words is "one hundred thirty million, one hundred sixty-six thousand, five hundred twenty".