166837174074 has 12 divisors (see below), whose sum is σ = 361480543866. Its totient is φ = 55612391352.

The previous prime is 166837174073. The next prime is 166837174079. The reversal of 166837174074 is 470471738661.

It is a happy number.

166837174074 is a `hidden beast` number, since 166 + 8 + 3 + 71 + 7 + 407 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 157813124049 + 9024050025 = 397257^2 + 94995^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166837174074.

It is not an unprimeable number, because it can be changed into a prime (166837174073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4634365929 + ... + 4634365964.

Almost surely, 2^166837174074 is an apocalyptic number.

166837174074 is an abundant number, since it is smaller than the sum of its proper divisors (194643369792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166837174074 is a wasteful number, since it uses less digits than its factorization.

166837174074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268731901 (or 9268731898 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 166837174074 in words is "one hundred sixty-six billion, eight hundred thirty-seven million, one hundred seventy-four thousand, seventy-four".