64293458616 has 256 divisors, whose sum is σ = 192695500800. Its totient is φ = 19822320000.

The previous prime is 64293458611. The next prime is 64293458627. The reversal of 64293458616 is 61685439246.

64293458616 is a `hidden beast` number, since 6 + 4 + 29 + 34 + 586 + 1 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64293458611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13530241 + ... + 13534991.

It is an arithmetic number, because the mean of its divisors is an integer number (752716800).

Almost surely, 2^64293458616 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 64293458616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96347750400).

64293458616 is an abundant number, since it is smaller than the sum of its proper divisors (128402042184).

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

64293458616 is a wasteful number, since it uses less digits than its factorization.

64293458616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887 (or 4877 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 64293458616 in words is "sixty-four billion, two hundred ninety-three million, four hundred fifty-eight thousand, six hundred sixteen".