64757430066 has 32 divisors (see below), whose sum is σ = 148084080768. Its totient is φ = 18493735680.

The previous prime is 64757430053. The next prime is 64757430071. The reversal of 64757430066 is 66003475746.

It is a junction number, because it is equal to n+sod(n) for n = 64757429997 and 64757430024.

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 15 ways as a sum of consecutive naturals, for example, 255415 + ... + 441306.

It is an arithmetic number, because the mean of its divisors is an integer number (4627627524).

Almost surely, 2^64757430066 is an apocalyptic number.

64757430066 is an abundant number, since it is smaller than the sum of its proper divisors (83326650702).

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

64757430066 is a wasteful number, since it uses less digits than its factorization.

64757430066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698946.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 64757430066 in words is "sixty-four billion, seven hundred fifty-seven million, four hundred thirty thousand, sixty-six".