180199023407 has 4 divisors (see below), whose sum is σ = 194060486760. Its totient is φ = 166337560056.

The previous prime is 180199023397. The next prime is 180199023437. The reversal of 180199023407 is 704320991081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 180199023407 - 2²⁴ = 180182246191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180199023437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6930731657 + ... + 6930731682.

It is an arithmetic number, because the mean of its divisors is an integer number (48515121690).

Almost surely, 2^180199023407 is an apocalyptic number.

180199023407 is a deficient number, since it is larger than the sum of its proper divisors (13861463353).

180199023407 is a wasteful number, since it uses less digits than its factorization.

180199023407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13861463352.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 180199023407 in words is "one hundred eighty billion, one hundred ninety-nine million, twenty-three thousand, four hundred seven".