3516238150661 has 2 divisors, whose sum is σ = 3516238150662. Its totient is φ = 3516238150660.

The previous prime is 3516238150657. The next prime is 3516238150697. The reversal of 3516238150661 is 1660518326153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3228781328161 + 287456822500 = 1796881^2 + 536150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3516238150661 - 2² = 3516238150657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3516238150651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1758119075330 + 1758119075331.

It is an arithmetic number, because the mean of its divisors is an integer number (1758119075331).

Almost surely, 2^{3516238150661} is an apocalyptic number.

It is an amenable number.

3516238150661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3516238150661 is an equidigital number, since it uses as much as digits as its factorization.

3516238150661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 3516238150661 in words is "three trillion, five hundred sixteen billion, two hundred thirty-eight million, one hundred fifty thousand, six hundred sixty-one".