64433662232610 has 128 divisors (see below), whose sum is σ = 174172893954048. Its totient is φ = 15113628576000.

The previous prime is 64433662232609. The next prime is 64433662232629. The reversal of 64433662232610 is 1623226633446.

It is a self number, because there is not a number n which added to its sum of digits gives 64433662232610.

It is an unprimeable number.

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, 55454715 + ... + 56604705.

It is an arithmetic number, because the mean of its divisors is an integer number (1360725734016).

Almost surely, 2^{64433662232610} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64433662232610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87086446977024).

64433662232610 is an abundant number, since it is smaller than the sum of its proper divisors (109739231721438).

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

64433662232610 is a wasteful number, since it uses less digits than its factorization.

64433662232610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155520.

The product of its (nonzero) digits is 4478976, while the sum is 48.

The spelling of 64433662232610 in words is "sixty-four trillion, four hundred thirty-three billion, six hundred sixty-two million, two hundred thirty-two thousand, six hundred ten".