164763157 has 8 divisors (see below), whose sum is σ = 178630200. Its totient is φ = 151066560.

The previous prime is 164763149. The next prime is 164763169. The reversal of 164763157 is 751367461.

It can be written as a sum of positive squares in 4 ways, for example, as 11350161 + 153412996 = 3369^2 + 12386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164763157 - 2³ = 164763149 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 (164763107) 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, 40594 + ... + 44467.

It is an arithmetic number, because the mean of its divisors is an integer number (22328775).

Almost surely, 2^164763157 is an apocalyptic number.

It is an amenable number.

164763157 is a deficient number, since it is larger than the sum of its proper divisors (13867043).

164763157 is a wasteful number, since it uses less digits than its factorization.

164763157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85223.

The product of its digits is 105840, while the sum is 40.

The square root of 164763157 is about 12836.0101667146. The cubic root of 164763157 is about 548.2180976501.

The spelling of 164763157 in words is "one hundred sixty-four million, seven hundred sixty-three thousand, one hundred fifty-seven".