64246856076 has 384 divisors, whose sum is σ = 197827660800. Its totient is φ = 17847889920.

The previous prime is 64246855999. The next prime is 64246856117. The reversal of 64246856076 is 67065864246.

64246856076 is a `hidden beast` number, since 6 + 4 + 2 + 4 + 6 + 8 + 560 + 76 = 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 an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 60552586 + ... + 60553646.

It is an arithmetic number, because the mean of its divisors is an integer number (515176200).

Almost surely, 2^64246856076 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 64246856076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98913830400).

64246856076 is an abundant number, since it is smaller than the sum of its proper divisors (133580804724).

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

64246856076 is a wasteful number, since it uses less digits than its factorization.

64246856076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 64246856076 in words is "sixty-four billion, two hundred forty-six million, eight hundred fifty-six thousand, seventy-six".