64553160 has 256 divisors, whose sum is σ = 238141440. Its totient is φ = 13685760.

The previous prime is 64553143. The next prime is 64553161. The reversal of 64553160 is 6135546.

It is a super-2 number, since 2×64553160² = 8334220931971200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (64553161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 963447 + ... + 963513.

It is an arithmetic number, because the mean of its divisors is an integer number (930240).

Almost surely, 2^64553160 is an apocalyptic number.

64553160 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 64553160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119070720).

64553160 is an abundant number, since it is smaller than the sum of its proper divisors (173588280).

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

64553160 is a wasteful number, since it uses less digits than its factorization.

64553160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 64553160 is about 8034.4981174931. The cubic root of 64553160 is about 401.1491123575.

The spelling of 64553160 in words is "sixty-four million, five hundred fifty-three thousand, one hundred sixty".