166231474 has 16 divisors (see below), whose sum is σ = 264627000. Its totient is φ = 78045184.

The previous prime is 166231459. The next prime is 166231531. The reversal of 166231474 is 474132661.

166231474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 128936025 + 37295449 = 11355^2 + 6107^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9822 + ... + 20710.

Almost surely, 2^166231474 is an apocalyptic number.

166231474 is a deficient number, since it is larger than the sum of its proper divisors (98395526).

166231474 is a wasteful number, since it uses less digits than its factorization.

166231474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357.

The product of its digits is 24192, while the sum is 34.

The square root of 166231474 is about 12893.0785307466. The cubic root of 166231474 is about 549.8417991279.

The spelling of 166231474 in words is "one hundred sixty-six million, two hundred thirty-one thousand, four hundred seventy-four".