64147016260 has 12 divisors (see below), whose sum is σ = 134708734188. Its totient is φ = 25658806496.

The previous prime is 64147016257. The next prime is 64147016267. The reversal of 64147016260 is 6261074146.

It can be written as a sum of positive squares in 2 ways, for example, as 12990528576 + 51156487684 = 113976^2 + 226178^2 .

It is a super-2 number, since 2×64147016260² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64147016267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603675387 + ... + 1603675426.

It is an arithmetic number, because the mean of its divisors is an integer number (11225727849).

Almost surely, 2^64147016260 is an apocalyptic number.

It is an amenable number.

64147016260 is an abundant number, since it is smaller than the sum of its proper divisors (70561717928).

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

64147016260 is a wasteful number, since it uses less digits than its factorization.

64147016260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207350822 (or 3207350820 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 64147016260 in words is "sixty-four billion, one hundred forty-seven million, sixteen thousand, two hundred sixty".