164701457 has 8 divisors (see below), whose sum is σ = 174522600. Its totient is φ = 154895104.

The previous prime is 164701451. The next prime is 164701483. The reversal of 164701457 is 754107461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8976016 + 155725441 = 2996^2 + 12479^2 .

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 164701457 - 2²² = 160507153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164701451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26219 + ... + 31887.

It is an arithmetic number, because the mean of its divisors is an integer number (21815325).

Almost surely, 2^164701457 is an apocalyptic number.

164701457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

164701457 is a deficient number, since it is larger than the sum of its proper divisors (9821143).

164701457 is a wasteful number, since it uses less digits than its factorization.

164701457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7395.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 164701457 is about 12833.6065468753. The cubic root of 164701457 is about 548.1496574309.

The spelling of 164701457 in words is "one hundred sixty-four million, seven hundred one thousand, four hundred fifty-seven".