64460640606 has 16 divisors (see below), whose sum is σ = 131353758864. Its totient is φ = 21081467264.

The previous prime is 64460640547. The next prime is 64460640617. The reversal of 64460640606 is 60604606446.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 101352891 + ... + 101353526.

It is an arithmetic number, because the mean of its divisors is an integer number (8209609929).

Almost surely, 2^64460640606 is an apocalyptic number.

64460640606 is an abundant number, since it is smaller than the sum of its proper divisors (66893118258).

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

64460640606 is a wasteful number, since it uses less digits than its factorization.

64460640606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202706475.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 64460640606 in words is "sixty-four billion, four hundred sixty million, six hundred forty thousand, six hundred six".