164012042 has 16 divisors (see below), whose sum is σ = 252285192. Its totient is φ = 79941120.

The previous prime is 164012033. The next prime is 164012053. The reversal of 164012042 is 240210461.

It can be written as a sum of positive squares in 4 ways, for example, as 101586241 + 62425801 = 10079^2 + 7901^2 .

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, 7838 + ... + 19734.

Almost surely, 2^164012042 is an apocalyptic number.

164012042 is a deficient number, since it is larger than the sum of its proper divisors (88273150).

164012042 is a wasteful number, since it uses less digits than its factorization.

164012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12073.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 164012042 is about 12806.7186273456. The cubic root of 164012042 is about 547.3837643755.

The spelling of 164012042 in words is "one hundred sixty-four million, twelve thousand, forty-two".