164337425 has 18 divisors (see below), whose sum is σ = 237050118. Its totient is φ = 112687680.

The previous prime is 164337409. The next prime is 164337449. The reversal of 164337425 is 524733461.

164337425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5400976 + 158936449 = 2324^2 + 12607^2 .

It is not a de Polignac number, because 164337425 - 2⁴ = 164337409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65852 + ... + 68301.

It is an arithmetic number, because the mean of its divisors is an integer number (13169451).

Almost surely, 2^164337425 is an apocalyptic number.

It is an amenable number.

164337425 is a deficient number, since it is larger than the sum of its proper divisors (72712693).

164337425 is a wasteful number, since it uses less digits than its factorization.

164337425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134177 (or 134165 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 164337425 is about 12819.4159383335. The cubic root of 164337425 is about 547.7455095972.

The spelling of 164337425 in words is "one hundred sixty-four million, three hundred thirty-seven thousand, four hundred twenty-five".