64337048766 has 64 divisors (see below), whose sum is σ = 146141660160. Its totient is φ = 20970921600.

The previous prime is 64337048729. The next prime is 64337048771. The reversal of 64337048766 is 66784073346.

It is a happy number.

64337048766 is a `hidden beast` number, since 6 + 4 + 33 + 70 + 487 + 66 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3037585 + ... + 3058691.

It is an arithmetic number, because the mean of its divisors is an integer number (2283463440).

Almost surely, 2^64337048766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64337048766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73070830080).

64337048766 is an abundant number, since it is smaller than the sum of its proper divisors (81804611394).

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

64337048766 is a wasteful number, since it uses less digits than its factorization.

64337048766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22366 (or 22360 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 64337048766 in words is "sixty-four billion, three hundred thirty-seven million, forty-eight thousand, seven hundred sixty-six".