64370972160 has 960 divisors, whose sum is σ = 263818114560. Its totient is φ = 14890106880.

The previous prime is 64370972131. The next prime is 64370972167. The reversal of 64370972160 is 6127907346.

64370972160 is a `hidden beast` number, since 64 + 370 + 9 + 7 + 216 + 0 = 666.

64370972160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64370972167) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 157386036 + ... + 157386444.

It is an arithmetic number, because the mean of its divisors is an integer number (274810536).

Almost surely, 2^64370972160 is an apocalyptic number.

64370972160 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 64370972160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131909057280).

64370972160 is an abundant number, since it is smaller than the sum of its proper divisors (199447142400).

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

64370972160 is a wasteful number, since it uses less digits than its factorization.

64370972160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 64370972160 in words is "sixty-four billion, three hundred seventy million, nine hundred seventy-two thousand, one hundred sixty".