180475334861 has 8 divisors (see below), whose sum is σ = 191744532120. Its totient is φ = 169542531648.

The previous prime is 180475334759. The next prime is 180475334863. The reversal of 180475334861 is 168433574081.

It can be written as a sum of positive squares in 4 ways, for example, as 13934622025 + 166540712836 = 118045^2 + 408094^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 180475334861 - 2¹⁰ = 180475333837 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 (180475334863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84097406 + ... + 84099551.

It is an arithmetic number, because the mean of its divisors is an integer number (23968066515).

Almost surely, 2^180475334861 is an apocalyptic number.

It is an amenable number.

180475334861 is a deficient number, since it is larger than the sum of its proper divisors (11269197259).

180475334861 is a wasteful number, since it uses less digits than its factorization.

180475334861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168197023.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 180475334861 in words is "one hundred eighty billion, four hundred seventy-five million, three hundred thirty-four thousand, eight hundred sixty-one".