64160064 has 168 divisors, whose sum is σ = 199704960. Its totient is φ = 19633152.

The previous prime is 64160059. The next prime is 64160069. The reversal of 64160064 is 46006146.

It is an interprime number because it is at equal distance from previous prime (64160059) and next prime (64160069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64160069) 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, 384109 + ... + 384275.

It is an arithmetic number, because the mean of its divisors is an integer number (1188720).

Almost surely, 2^64160064 is an apocalyptic number.

64160064 is a gapful number since it is divisible by the number (64) 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 64160064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99852480).

64160064 is an abundant number, since it is smaller than the sum of its proper divisors (135544896).

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

64160064 is a wasteful number, since it uses less digits than its factorization.

64160064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64160064 is about 8009.9977528087. The cubic root of 64160064 is about 400.3331890522. Note that the first 3 decimals are identical.

The spelling of 64160064 in words is "sixty-four million, one hundred sixty thousand, sixty-four".