6464666052 has 144 divisors (see below), whose sum is σ = 18551437632. Its totient is φ = 1956286080.

The previous prime is 6464666023. The next prime is 6464666081. The reversal of 6464666052 is 2506664646.

It is an interprime number because it is at equal distance from previous prime (6464666023) and next prime (6464666081).

It is a junction number, because it is equal to n+sod(n) for n = 6464665989 and 6464666007.

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, 766603 + ... + 774989.

It is an arithmetic number, because the mean of its divisors is an integer number (128829428).

Almost surely, 2^6464666052 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 6464666052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9275718816).

6464666052 is an abundant number, since it is smaller than the sum of its proper divisors (12086771580).

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

6464666052 is a wasteful number, since it uses less digits than its factorization.

6464666052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480 (or 8466 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The square root of 6464666052 is about 80403.1470279615. The cubic root of 6464666052 is about 1862.8677821637.

The spelling of 6464666052 in words is "six billion, four hundred sixty-four million, six hundred sixty-six thousand, fifty-two".