64662011000 has 64 divisors (see below), whose sum is σ = 151412021280. Its totient is φ = 25847212800.

The previous prime is 64662010997. The next prime is 64662011017. The reversal of 64662011000 is 11026646.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501772 + ... + 1544228.

Almost surely, 2^64662011000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64662011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75706010640).

64662011000 is an abundant number, since it is smaller than the sum of its proper divisors (86750010280).

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

64662011000 is a wasteful number, since it uses less digits than its factorization.

64662011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44001 (or 43987 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 64662011000 its reverse (11026646), we get a palindrome (64673037646).

The spelling of 64662011000 in words is "sixty-four billion, six hundred sixty-two million, eleven thousand".