614580455316661 has 2 divisors, whose sum is σ = 614580455316662. Its totient is φ = 614580455316660.

The previous prime is 614580455316631. The next prime is 614580455316673. The reversal of 614580455316661 is 166613554085416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427856565873636 + 186723889443025 = 20684694^2 + 13664695^2 .

It is a cyclic number.

It is not a de Polignac number, because 614580455316661 - 2²⁹ = 614579918445749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 614580455316661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614580455316631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307290227658330 + 307290227658331.

It is an arithmetic number, because the mean of its divisors is an integer number (307290227658331).

Almost surely, 2^{614580455316661} is an apocalyptic number.

It is an amenable number.

614580455316661 is a deficient number, since it is larger than the sum of its proper divisors (1).

614580455316661 is an equidigital number, since it uses as much as digits as its factorization.

614580455316661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208000, while the sum is 61.

The spelling of 614580455316661 in words is "six hundred fourteen trillion, five hundred eighty billion, four hundred fifty-five million, three hundred sixteen thousand, six hundred sixty-one".