64168375 has 8 divisors (see below), whose sum is σ = 80082288. Its totient is φ = 51334600.

The previous prime is 64168369. The next prime is 64168411. The reversal of 64168375 is 57386146.

It is a happy number.

It is not a de Polignac number, because 64168375 - 2⁵ = 64168343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256549 + ... + 256798.

It is an arithmetic number, because the mean of its divisors is an integer number (10010286).

Almost surely, 2^64168375 is an apocalyptic number.

64168375 is a deficient number, since it is larger than the sum of its proper divisors (15913913).

64168375 is an equidigital number, since it uses as much as digits as its factorization.

64168375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513362 (or 513352 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 64168375 is about 8010.5165251686. The cubic root of 64168375 is about 400.3504740801.

The spelling of 64168375 in words is "sixty-four million, one hundred sixty-eight thousand, three hundred seventy-five".