64772192160 has 384 divisors, whose sum is σ = 246903552000. Its totient is φ = 15763562496.

The previous prime is 64772192129. The next prime is 64772192183. The reversal of 64772192160 is 6129127746.

64772192160 is a `hidden beast` number, since 6 + 477 + 2 + 19 + 2 + 160 = 666.

64772192160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4991761 + ... + 5004719.

It is an arithmetic number, because the mean of its divisors is an integer number (642978000).

Almost surely, 2^64772192160 is an apocalyptic number.

64772192160 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 64772192160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123451776000).

64772192160 is an abundant number, since it is smaller than the sum of its proper divisors (182131359840).

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

64772192160 is a wasteful number, since it uses less digits than its factorization.

64772192160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085 (or 13071 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 64772192160 in words is "sixty-four billion, seven hundred seventy-two million, one hundred ninety-two thousand, one hundred sixty".