64121160 has 64 divisors (see below), whose sum is σ = 196473600. Its totient is φ = 16733696.

The previous prime is 64121159. The next prime is 64121173. The reversal of 64121160 is 6112146.

It is a super-2 number, since 2×64121160² = 8223046319491200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45 + ... + 11324.

It is an arithmetic number, because the mean of its divisors is an integer number (3069900).

Almost surely, 2^64121160 is an apocalyptic number.

64121160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64121160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98236800).

64121160 is an abundant number, since it is smaller than the sum of its proper divisors (132352440).

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

64121160 is a wasteful number, since it uses less digits than its factorization.

64121160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11430 (or 11426 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 64121160 is about 8007.5689194661. The cubic root of 64121160 is about 400.2522575485.

The spelling of 64121160 in words is "sixty-four million, one hundred twenty-one thousand, one hundred sixty".