6190686156121 has 2 divisors, whose sum is σ = 6190686156122. Its totient is φ = 6190686156120.

The previous prime is 6190686156091. The next prime is 6190686156163. The reversal of 6190686156121 is 1216516860916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4032545934400 + 2158140221721 = 2008120^2 + 1469061^2 .

It is a cyclic number.

It is not a de Polignac number, because 6190686156121 - 2⁷ = 6190686155993 is a prime.

It is not a weakly prime, because it can be changed into another prime (6190686156181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3095343078060 + 3095343078061.

It is an arithmetic number, because the mean of its divisors is an integer number (3095343078061).

Almost surely, 2^{6190686156121} is an apocalyptic number.

It is an amenable number.

6190686156121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6190686156121 is an equidigital number, since it uses as much as digits as its factorization.

6190686156121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 6190686156121 in words is "six trillion, one hundred ninety billion, six hundred eighty-six million, one hundred fifty-six thousand, one hundred twenty-one".