6700507221 has 16 divisors (see below), whose sum is σ = 9088499520. Its totient is φ = 4389811200.

The previous prime is 6700507199. The next prime is 6700507243. The reversal of 6700507221 is 1227050076.

It is an interprime number because it is at equal distance from previous prime (6700507199) and next prime (6700507243).

It is not a de Polignac number, because 6700507221 - 2⁶ = 6700507157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6700507291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823071 + ... + 831171.

It is an arithmetic number, because the mean of its divisors is an integer number (568031220).

Almost surely, 2^6700507221 is an apocalyptic number.

It is an amenable number.

6700507221 is a deficient number, since it is larger than the sum of its proper divisors (2387992299).

6700507221 is a wasteful number, since it uses less digits than its factorization.

6700507221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12836.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 6700507221 is about 81856.6260054737. The cubic root of 6700507221 is about 1885.2512026997.

Adding to 6700507221 its reverse (1227050076), we get a palindrome (7927557297).

The spelling of 6700507221 in words is "six billion, seven hundred million, five hundred seven thousand, two hundred twenty-one".