166774046 has 16 divisors (see below), whose sum is σ = 265187520. Its totient is φ = 78389760.

The previous prime is 166774043. The next prime is 166774051. The reversal of 166774046 is 640477661.

It is a happy number.

166774046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166773994 and 166774012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166774043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32966 + ... + 37686.

It is an arithmetic number, because the mean of its divisors is an integer number (16574220).

Almost surely, 2^166774046 is an apocalyptic number.

166774046 is a deficient number, since it is larger than the sum of its proper divisors (98413474).

166774046 is a wasteful number, since it uses less digits than its factorization.

166774046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 166774046 is about 12914.1026014199. The cubic root of 166774046 is about 550.4393690256.

The spelling of 166774046 in words is "one hundred sixty-six million, seven hundred seventy-four thousand, forty-six".