180666461583675 has 192 divisors, whose sum is σ = 341422924677120. Its totient is φ = 93612579984000.

The previous prime is 180666461583667. The next prime is 180666461583683. The reversal of 180666461583675 is 576385164666081.

It is an interprime number because it is at equal distance from previous prime (180666461583667) and next prime (180666461583683).

It is not a de Polignac number, because 180666461583675 - 2³ = 180666461583667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11458510642 + ... + 11458526408.

It is an arithmetic number, because the mean of its divisors is an integer number (1778244399360).

Almost surely, 2^{180666461583675} is an apocalyptic number.

180666461583675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

180666461583675 is a deficient number, since it is larger than the sum of its proper divisors (160756463093445).

180666461583675 is a wasteful number, since it uses less digits than its factorization.

180666461583675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17911 (or 17900 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 72.

The spelling of 180666461583675 in words is "one hundred eighty trillion, six hundred sixty-six billion, four hundred sixty-one million, five hundred eighty-three thousand, six hundred seventy-five".