64169164359 has 24 divisors (see below), whose sum is σ = 100986471120. Its totient is φ = 40263000192.

The previous prime is 64169164349. The next prime is 64169164363. The reversal of 64169164359 is 95346196146.

It is a happy number.

It is not a de Polignac number, because 64169164359 - 2⁵ = 64169164327 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64169164349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4104024 + ... + 4119629.

It is an arithmetic number, because the mean of its divisors is an integer number (4207769630).

Almost surely, 2^64169164359 is an apocalyptic number.

64169164359 is a deficient number, since it is larger than the sum of its proper divisors (36817306761).

64169164359 is a wasteful number, since it uses less digits than its factorization.

64169164359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223696 (or 8223673 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The spelling of 64169164359 in words is "sixty-four billion, one hundred sixty-nine million, one hundred sixty-four thousand, three hundred fifty-nine".