164257158 has 32 divisors (see below), whose sum is σ = 365202432. Its totient is φ = 48909600.

The previous prime is 164257157. The next prime is 164257169. The reversal of 164257158 is 851752461.

164257158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164257157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31548 + ... + 36383.

It is an arithmetic number, because the mean of its divisors is an integer number (11412576).

Almost surely, 2^164257158 is an apocalyptic number.

164257158 is an abundant number, since it is smaller than the sum of its proper divisors (200945274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164257158 is a wasteful number, since it uses less digits than its factorization.

164257158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67980.

The product of its digits is 67200, while the sum is 39.

The square root of 164257158 is about 12816.2848751110. The cubic root of 164257158 is about 547.6563169928.

The spelling of 164257158 in words is "one hundred sixty-four million, two hundred fifty-seven thousand, one hundred fifty-eight".