180368946 has 36 divisors (see below), whose sum is σ = 415151802. Its totient is φ = 56584704.

The previous prime is 180368933. The next prime is 180368953. The reversal of 180368946 is 649863081.

It can be written as a sum of positive squares in 3 ways, for example, as 158382225 + 21986721 = 12585^2 + 4689^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12135 + ... + 22538.

Almost surely, 2^180368946 is an apocalyptic number.

180368946 is an abundant number, since it is smaller than the sum of its proper divisors (234782856).

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

180368946 is a wasteful number, since it uses less digits than its factorization.

180368946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34715 (or 34695 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 180368946 is about 13430.1506320666. The cubic root of 180368946 is about 565.0071223683.

The spelling of 180368946 in words is "one hundred eighty million, three hundred sixty-eight thousand, nine hundred forty-six".