180345918046 has 8 divisors (see below), whose sum is σ = 309164430960. Its totient is φ = 77291107728.

The previous prime is 180345918041. The next prime is 180345918047. The reversal of 180345918046 is 640819543081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180345918041) 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, 6440925631 + ... + 6440925658.

It is an arithmetic number, because the mean of its divisors is an integer number (38645553870).

Almost surely, 2^180345918046 is an apocalyptic number.

180345918046 is a deficient number, since it is larger than the sum of its proper divisors (128818512914).

180345918046 is a wasteful number, since it uses less digits than its factorization.

180345918046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12881851298.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 180345918046 in words is "one hundred eighty billion, three hundred forty-five million, nine hundred eighteen thousand, forty-six".