166774342 has 24 divisors (see below), whose sum is σ = 291860064. Its totient is φ = 71264592.

The previous prime is 166774337. The next prime is 166774367. The reversal of 166774342 is 243477661.

It is a super-2 number, since 2×166774342² = 55627362299065928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166774295 and 166774304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33648 + ... + 38284.

It is an arithmetic number, because the mean of its divisors is an integer number (12160836).

Almost surely, 2^166774342 is an apocalyptic number.

166774342 is a deficient number, since it is larger than the sum of its proper divisors (125085722).

166774342 is a wasteful number, since it uses less digits than its factorization.

166774342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5013 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 166774342 is about 12914.1140617543. The cubic root of 166774342 is about 550.4396946757.

The spelling of 166774342 in words is "one hundred sixty-six million, seven hundred seventy-four thousand, three hundred forty-two".