461610177761 has 2 divisors, whose sum is σ = 461610177762. Its totient is φ = 461610177760.

The previous prime is 461610177757. The next prime is 461610177797. The reversal of 461610177761 is 167771016164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386119318225 + 75490859536 = 621385^2 + 274756^2 .

It is a cyclic number.

It is not a de Polignac number, because 461610177761 - 2² = 461610177757 is a prime.

It is not a weakly prime, because it can be changed into another prime (461610177751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230805088880 + 230805088881.

It is an arithmetic number, because the mean of its divisors is an integer number (230805088881).

Almost surely, 2^461610177761 is an apocalyptic number.

It is an amenable number.

461610177761 is a deficient number, since it is larger than the sum of its proper divisors (1).

461610177761 is an equidigital number, since it uses as much as digits as its factorization.

461610177761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 461610177761 in words is "four hundred sixty-one billion, six hundred ten million, one hundred seventy-seven thousand, seven hundred sixty-one".