4677180661 has 2 divisors, whose sum is σ = 4677180662. Its totient is φ = 4677180660.

The previous prime is 4677180653. The next prime is 4677180727. The reversal of 4677180661 is 1660817764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4536022500 + 141158161 = 67350^2 + 11881^2 .

It is a cyclic number.

It is not a de Polignac number, because 4677180661 - 2³ = 4677180653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4677180611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2338590330 + 2338590331.

It is an arithmetic number, because the mean of its divisors is an integer number (2338590331).

Almost surely, 2^4677180661 is an apocalyptic number.

It is an amenable number.

4677180661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4677180661 is an equidigital number, since it uses as much as digits as its factorization.

4677180661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 4677180661 is about 68389.9163693011. The cubic root of 4677180661 is about 1672.3533652388.

The spelling of 4677180661 in words is "four billion, six hundred seventy-seven million, one hundred eighty thousand, six hundred sixty-one".