6161629 has 2 divisors, whose sum is σ = 6161630. Its totient is φ = 6161628.

The previous prime is 6161609. The next prime is 6161641. The reversal of 6161629 is 9261616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 2544025 = 1902^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161629 - 2⁷ = 6161501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6161629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6161609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080814 + 3080815.

It is an arithmetic number, because the mean of its divisors is an integer number (3080815).

Almost surely, 2^6161629 is an apocalyptic number.

It is an amenable number.

6161629 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161629 is an equidigital number, since it uses as much as digits as its factorization.

6161629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 6161629 is about 2482.2628789071. The cubic root of 6161629 is about 183.3292865957.

The spelling of 6161629 in words is "six million, one hundred sixty-one thousand, six hundred twenty-nine".