180870963 has 16 divisors (see below), whose sum is σ = 296814336. Its totient is φ = 95404320.

The previous prime is 180870961. The next prime is 180870979. The reversal of 180870963 is 369078081.

It is not a de Polignac number, because 180870963 - 2¹ = 180870961 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 330993 + ... + 331538.

It is an arithmetic number, because the mean of its divisors is an integer number (18550896).

Almost surely, 2^180870963 is an apocalyptic number.

180870963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

180870963 is a deficient number, since it is larger than the sum of its proper divisors (115943373).

180870963 is a wasteful number, since it uses less digits than its factorization.

180870963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662554.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 180870963 is about 13448.8275697177. The cubic root of 180870963 is about 565.5308275114.

It can be divided in two parts, 1808 and 70963, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 180870963 in words is "one hundred eighty million, eight hundred seventy thousand, nine hundred sixty-three".