130866178000 has 80 divisors (see below), whose sum is σ = 324152534160. Its totient is φ = 51069696000.

The previous prime is 130866177991. The next prime is 130866178019. The reversal of 130866178000 is 871668031.

It can be written as a sum of positive squares in 8 ways, for example, as 115157065104 + 15709112896 = 339348^2 + 125336^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715965 + ... + 879964.

It is an arithmetic number, because the mean of its divisors is an integer number (4051906677).

Almost surely, 2^130866178000 is an apocalyptic number.

130866178000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130866178000 is an abundant number, since it is smaller than the sum of its proper divisors (193286356160).

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

130866178000 is a wasteful number, since it uses less digits than its factorization.

130866178000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595993 (or 1595977 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 130866178000 in words is "one hundred thirty billion, eight hundred sixty-six million, one hundred seventy-eight thousand".