64574811360 has 192 divisors, whose sum is σ = 227086191360. Its totient is φ = 17138096640.

The previous prime is 64574811347. The next prime is 64574811373. The reversal of 64574811360 is 6311847546.

64574811360 is a `hidden beast` number, since 6 + 4 + 574 + 8 + 1 + 13 + 60 = 666.

64574811360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64574811347) and next prime (64574811373).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 876099 + ... + 946941.

It is an arithmetic number, because the mean of its divisors is an integer number (1182740580).

Almost surely, 2^64574811360 is an apocalyptic number.

64574811360 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 64574811360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113543095680).

64574811360 is an abundant number, since it is smaller than the sum of its proper divisors (162511380000).

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

64574811360 is a wasteful number, since it uses less digits than its factorization.

64574811360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71078 (or 71064 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 64574811360 in words is "sixty-four billion, five hundred seventy-four million, eight hundred eleven thousand, three hundred sixty".