6377302661 has 8 divisors (see below), whose sum is σ = 6422091000. Its totient is φ = 6332541120.

The previous prime is 6377302651. The next prime is 6377302693. The reversal of 6377302661 is 1662037736.

It can be written as a sum of positive squares in 4 ways, for example, as 783160225 + 5594142436 = 27985^2 + 74794^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6377302661 - 2¹⁴ = 6377286277 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 (6377302651) 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, 827735 + ... + 835403.

It is an arithmetic number, because the mean of its divisors is an integer number (802761375).

Almost surely, 2^6377302661 is an apocalyptic number.

It is an amenable number.

6377302661 is a deficient number, since it is larger than the sum of its proper divisors (44788339).

6377302661 is a wasteful number, since it uses less digits than its factorization.

6377302661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13399.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 6377302661 is about 79858.0156339988. The cubic root of 6377302661 is about 1854.4381062978.

The spelling of 6377302661 in words is "six billion, three hundred seventy-seven million, three hundred two thousand, six hundred sixty-one".