3077161621 has 2 divisors, whose sum is σ = 3077161622. Its totient is φ = 3077161620.

The previous prime is 3077161583. The next prime is 3077161693. The reversal of 3077161621 is 1261617703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2561372100 + 515789521 = 50610^2 + 22711^2 .

It is a cyclic number.

It is not a de Polignac number, because 3077161621 - 2²¹ = 3075064469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3077161921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538580810 + 1538580811.

It is an arithmetic number, because the mean of its divisors is an integer number (1538580811).

Almost surely, 2^3077161621 is an apocalyptic number.

It is an amenable number.

3077161621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3077161621 is an equidigital number, since it uses as much as digits as its factorization.

3077161621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 3077161621 is about 55472.1697881019. The cubic root of 3077161621 is about 1454.5101929841.

The spelling of 3077161621 in words is "three billion, seventy-seven million, one hundred sixty-one thousand, six hundred twenty-one".