64066212654 has 32 divisors (see below), whose sum is σ = 130430373120. Its totient is φ = 20975592000.

The previous prime is 64066212653. The next prime is 64066212697. The reversal of 64066212654 is 45621266046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64066212653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316632 + ... + 477899.

It is an arithmetic number, because the mean of its divisors is an integer number (4075949160).

Almost surely, 2^64066212654 is an apocalyptic number.

64066212654 is an abundant number, since it is smaller than the sum of its proper divisors (66364160466).

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

64066212654 is a wasteful number, since it uses less digits than its factorization.

64066212654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794776.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 64066212654 in words is "sixty-four billion, sixty-six million, two hundred twelve thousand, six hundred fifty-four".