6610156061 has 2 divisors, whose sum is σ = 6610156062. Its totient is φ = 6610156060.

The previous prime is 6610156057. The next prime is 6610156067. The reversal of 6610156061 is 1606510166.

6610156061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5191202500 + 1418953561 = 72050^2 + 37669^2 .

It is a cyclic number.

It is not a de Polignac number, because 6610156061 - 2² = 6610156057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6610156067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305078030 + 3305078031.

It is an arithmetic number, because the mean of its divisors is an integer number (3305078031).

Almost surely, 2^6610156061 is an apocalyptic number.

It is an amenable number.

6610156061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6610156061 is an equidigital number, since it uses as much as digits as its factorization.

6610156061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 6610156061 is about 81302.8662532878. The cubic root of 6610156061 is about 1876.7391092548.

The spelling of 6610156061 in words is "six billion, six hundred ten million, one hundred fifty-six thousand, sixty-one".