3137475016661 has 2 divisors, whose sum is σ = 3137475016662. Its totient is φ = 3137475016660.

The previous prime is 3137475016609. The next prime is 3137475016673. The reversal of 3137475016661 is 1666105747313.

3137475016661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2948689980625 + 188785036036 = 1717175^2 + 434494^2 .

It is a cyclic number.

It is not a de Polignac number, because 3137475016661 - 2⁶ = 3137475016597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3137475018661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568737508330 + 1568737508331.

It is an arithmetic number, because the mean of its divisors is an integer number (1568737508331).

Almost surely, 2^{3137475016661} is an apocalyptic number.

It is an amenable number.

3137475016661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3137475016661 is an equidigital number, since it uses as much as digits as its factorization.

3137475016661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 3137475016661 in words is "three trillion, one hundred thirty-seven billion, four hundred seventy-five million, sixteen thousand, six hundred sixty-one".