604290162661 has 2 divisors, whose sum is σ = 604290162662. Its totient is φ = 604290162660.

The previous prime is 604290162629. The next prime is 604290162689. The reversal of 604290162661 is 166261092406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453610332036 + 150679830625 = 673506^2 + 388175^2 .

It is a cyclic number.

It is not a de Polignac number, because 604290162661 - 2⁵ = 604290162629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604290162361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302145081330 + 302145081331.

It is an arithmetic number, because the mean of its divisors is an integer number (302145081331).

Almost surely, 2^604290162661 is an apocalyptic number.

It is an amenable number.

604290162661 is a deficient number, since it is larger than the sum of its proper divisors (1).

604290162661 is an equidigital number, since it uses as much as digits as its factorization.

604290162661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 604290162661 in words is "six hundred four billion, two hundred ninety million, one hundred sixty-two thousand, six hundred sixty-one".