166485414674 has 48 divisors (see below), whose sum is σ = 271504717848. Its totient is φ = 76498297344.

The previous prime is 166485414661. The next prime is 166485414691. The reversal of 166485414674 is 476414584661.

It can be written as a sum of positive squares in 4 ways, for example, as 148720523449 + 17764891225 = 385643^2 + 133285^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8993372 + ... + 9011864.

Almost surely, 2^166485414674 is an apocalyptic number.

166485414674 is a deficient number, since it is larger than the sum of its proper divisors (105019303174).

166485414674 is a wasteful number, since it uses less digits than its factorization.

166485414674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18907 (or 18888 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 56.

The spelling of 166485414674 in words is "one hundred sixty-six billion, four hundred eighty-five million, four hundred fourteen thousand, six hundred seventy-four".