6621260572 has 24 divisors (see below), whose sum is σ = 12554132976. Its totient is φ = 3043423488.

The previous prime is 6621260567. The next prime is 6621260579. The reversal of 6621260572 is 2750621266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6621260579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129303 + ... + 1135150.

It is an arithmetic number, because the mean of its divisors is an integer number (523088874).

Almost surely, 2^6621260572 is an apocalyptic number.

It is an amenable number.

6621260572 is a deficient number, since it is larger than the sum of its proper divisors (5932872404).

6621260572 is a wasteful number, since it uses less digits than its factorization.

6621260572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264517 (or 2264515 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 6621260572 is about 81371.1286145154. The cubic root of 6621260572 is about 1877.7894430542.

The spelling of 6621260572 in words is "six billion, six hundred twenty-one million, two hundred sixty thousand, five hundred seventy-two".