164789157 has 16 divisors (see below), whose sum is σ = 243017600. Its totient is φ = 98667072.

The previous prime is 164789153. The next prime is 164789161. The reversal of 164789157 is 751987461.

It is an interprime number because it is at equal distance from previous prime (164789153) and next prime (164789161).

It is not a de Polignac number, because 164789157 - 2² = 164789153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164789153) 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, 55657 + ... + 58542.

It is an arithmetic number, because the mean of its divisors is an integer number (15188600).

Almost surely, 2^164789157 is an apocalyptic number.

It is an amenable number.

164789157 is a deficient number, since it is larger than the sum of its proper divisors (78228443).

164789157 is a wasteful number, since it uses less digits than its factorization.

164789157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114252.

The product of its digits is 423360, while the sum is 48.

The square root of 164789157 is about 12837.0229025269. The cubic root of 164789157 is about 548.2469328200.

The spelling of 164789157 in words is "one hundred sixty-four million, seven hundred eighty-nine thousand, one hundred fifty-seven".