652064886 has 96 divisors (see below), whose sum is σ = 1646420256. Its totient is φ = 185856000.

The previous prime is 652064813. The next prime is 652064891. The reversal of 652064886 is 688460256.

652064886 is a `hidden beast` number, since 6 + 520 + 6 + 48 + 86 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 406486 + ... + 408086.

It is an arithmetic number, because the mean of its divisors is an integer number (17150211).

Almost surely, 2^652064886 is an apocalyptic number.

652064886 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 652064886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823210128).

652064886 is an abundant number, since it is smaller than the sum of its proper divisors (994355370).

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

652064886 is a wasteful number, since it uses less digits than its factorization.

652064886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 652064886 is about 25535.5612039368. The cubic root of 652064886 is about 867.1554100947.

The spelling of 652064886 in words is "six hundred fifty-two million, sixty-four thousand, eight hundred eighty-six".