6702827661 has 24 divisors (see below), whose sum is σ = 9865529336. Its totient is φ = 4384419840.

The previous prime is 6702827653. The next prime is 6702827669. The reversal of 6702827661 is 1667282076.

It is an interprime number because it is at equal distance from previous prime (6702827653) and next prime (6702827669).

It can be written as a sum of positive squares in 4 ways, for example, as 897302025 + 5805525636 = 29955^2 + 76194^2 .

It is not a de Polignac number, because 6702827661 - 2³ = 6702827653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6702827669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100371 + ... + 153231.

Almost surely, 2^6702827661 is an apocalyptic number.

It is an amenable number.

6702827661 is a deficient number, since it is larger than the sum of its proper divisors (3162701675).

6702827661 is a wasteful number, since it uses less digits than its factorization.

6702827661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53133 (or 53130 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 6702827661 is about 81870.7985853320. The cubic root of 6702827661 is about 1885.4688035104.

The spelling of 6702827661 in words is "six billion, seven hundred two million, eight hundred twenty-seven thousand, six hundred sixty-one".