6621701464 has 32 divisors (see below), whose sum is σ = 14314943520. Its totient is φ = 2812755456.

The previous prime is 6621701459. The next prime is 6621701477. The reversal of 6621701464 is 4641071266.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516879 + ... + 529534.

It is an arithmetic number, because the mean of its divisors is an integer number (447341985).

Almost surely, 2^6621701464 is an apocalyptic number.

It is an amenable number.

6621701464 is an abundant number, since it is smaller than the sum of its proper divisors (7693242056).

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

6621701464 is a wasteful number, since it uses less digits than its factorization.

6621701464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046539 (or 1046535 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 6621701464 is about 81373.8377121296. The cubic root of 6621701464 is about 1877.8311211183.

The spelling of 6621701464 in words is "six billion, six hundred twenty-one million, seven hundred one thousand, four hundred sixty-four".