64730230016 has 72 divisors (see below), whose sum is σ = 133550054400. Its totient is φ = 31280117760.

The previous prime is 64730230007. The next prime is 64730230043. The reversal of 64730230016 is 61003203746.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6574025 + ... + 6583863.

Almost surely, 2^64730230016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64730230016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66775027200).

64730230016 is an abundant number, since it is smaller than the sum of its proper divisors (68819824384).

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

64730230016 is an equidigital number, since it uses as much as digits as its factorization.

64730230016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10715 (or 10701 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 64730230016 in words is "sixty-four billion, seven hundred thirty million, two hundred thirty thousand, sixteen".