6657094464 has 224 divisors, whose sum is σ = 19319443200. Its totient is φ = 2014543872.

The previous prime is 6657094463. The next prime is 6657094471. The reversal of 6657094464 is 4644907566.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6657094463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24032694 + ... + 24032970.

Almost surely, 2^6657094464 is an apocalyptic number.

6657094464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6657094464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9659721600).

6657094464 is an abundant number, since it is smaller than the sum of its proper divisors (12662348736).

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

6657094464 is a wasteful number, since it uses less digits than its factorization.

6657094464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The square root of 6657094464 is about 81591.0195058255. The cubic root of 6657094464 is about 1881.1708475375.

The spelling of 6657094464 in words is "six billion, six hundred fifty-seven million, ninety-four thousand, four hundred sixty-four".