180870966 has 12 divisors (see below), whose sum is σ = 391887132. Its totient is φ = 60290316.

The previous prime is 180870961. The next prime is 180870979. The reversal of 180870966 is 669078081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180870961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5024176 + ... + 5024211.

It is an arithmetic number, because the mean of its divisors is an integer number (32657261).

Almost surely, 2^180870966 is an apocalyptic number.

180870966 is an abundant number, since it is smaller than the sum of its proper divisors (211016166).

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

180870966 is a wasteful number, since it uses less digits than its factorization.

180870966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048395 (or 10048392 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 180870966 is about 13448.8276812516. The cubic root of 180870966 is about 565.5308306381.

The spelling of 180870966 in words is "one hundred eighty million, eight hundred seventy thousand, nine hundred sixty-six".