180968499 has 10 divisors (see below), whose sum is σ = 270335780. Its totient is φ = 120645612.

The previous prime is 180968479. The next prime is 180968551. The reversal of 180968499 is 994869081.

180968499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 180968499 - 2⁸ = 180968243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180968419) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1117009 + ... + 1117170.

It is an arithmetic number, because the mean of its divisors is an integer number (27033578).

Almost surely, 2^180968499 is an apocalyptic number.

180968499 is a deficient number, since it is larger than the sum of its proper divisors (89367281).

180968499 is an equidigital number, since it uses as much as digits as its factorization.

180968499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234191 (or 2234182 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 180968499 is about 13452.4532706864. The cubic root of 180968499 is about 565.6324647998.

The spelling of 180968499 in words is "one hundred eighty million, nine hundred sixty-eight thousand, four hundred ninety-nine".