166398034 has 16 divisors (see below), whose sum is σ = 274370976. Its totient is φ = 75056800.

The previous prime is 166398017. The next prime is 166398047. The reversal of 166398034 is 430893661.

166398034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 25987 + ... + 31750.

It is an arithmetic number, because the mean of its divisors is an integer number (17148186).

Almost surely, 2^166398034 is an apocalyptic number.

166398034 is a deficient number, since it is larger than the sum of its proper divisors (107972942).

166398034 is a wasteful number, since it uses less digits than its factorization.

166398034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57881.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 166398034 is about 12899.5361932125. The cubic root of 166398034 is about 550.0253806469.

The spelling of 166398034 in words is "one hundred sixty-six million, three hundred ninety-eight thousand, thirty-four".