4378164864 has 32 divisors (see below), whose sum is σ = 11629501440. Its totient is φ = 1459388160.

The previous prime is 4378164863. The next prime is 4378164881. The reversal of 4378164864 is 4684618734.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (4378164863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5700352 + ... + 5701119.

It is an arithmetic number, because the mean of its divisors is an integer number (363421920).

Almost surely, 2^4378164864 is an apocalyptic number.

It is an amenable number.

4378164864 is an abundant number, since it is smaller than the sum of its proper divisors (7251336576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4378164864 is a wasteful number, since it uses less digits than its factorization.

4378164864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401488 (or 11401476 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The square root of 4378164864 is about 66167.7025745945. The cubic root of 4378164864 is about 1635.9274402253.

The spelling of 4378164864 in words is "four billion, three hundred seventy-eight million, one hundred sixty-four thousand, eight hundred sixty-four".