166872761846 has 8 divisors (see below), whose sum is σ = 286067591760. Its totient is φ = 71516897928.

The previous prime is 166872761831. The next prime is 166872761851. The reversal of 166872761846 is 648167278661.

It is a happy number.

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

It is a super-2 number, since 2×166872761846² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5959741481 + ... + 5959741508.

It is an arithmetic number, because the mean of its divisors is an integer number (35758448970).

Almost surely, 2^166872761846 is an apocalyptic number.

166872761846 is a deficient number, since it is larger than the sum of its proper divisors (119194829914).

166872761846 is a wasteful number, since it uses less digits than its factorization.

166872761846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11919482998.

The product of its digits is 32514048, while the sum is 62.

The spelling of 166872761846 in words is "one hundred sixty-six billion, eight hundred seventy-two million, seven hundred sixty-one thousand, eight hundred forty-six".