64987160 has 64 divisors (see below), whose sum is σ = 172523520. Its totient is φ = 21559680.

The previous prime is 64987127. The next prime is 64987189. The reversal of 64987160 is 6178946.

64987160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4937 + ... + 12423.

It is an arithmetic number, because the mean of its divisors is an integer number (2695680).

Almost surely, 2^64987160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64987160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86261760).

64987160 is an abundant number, since it is smaller than the sum of its proper divisors (107536360).

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

64987160 is a wasteful number, since it uses less digits than its factorization.

64987160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536 (or 7532 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 64987160 is about 8061.4614059735. The cubic root of 64987160 is about 402.0460991828.

The spelling of 64987160 in words is "sixty-four million, nine hundred eighty-seven thousand, one hundred sixty".