64151292720 has 320 divisors, whose sum is σ = 211706449920. Its totient is φ = 16036061184.

The previous prime is 64151292617. The next prime is 64151292721. The reversal of 64151292720 is 2729215146.

It is not an unprimeable number, because it can be changed into a prime (64151292721) 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, 68464092 + ... + 68465028.

It is an arithmetic number, because the mean of its divisors is an integer number (661582656).

Almost surely, 2^64151292720 is an apocalyptic number.

64151292720 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 64151292720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105853224960).

64151292720 is an abundant number, since it is smaller than the sum of its proper divisors (147555157200).

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

64151292720 is a wasteful number, since it uses less digits than its factorization.

64151292720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 64151292720 in words is "sixty-four billion, one hundred fifty-one million, two hundred ninety-two thousand, seven hundred twenty".