6261161633 has 4 divisors (see below), whose sum is σ = 6269262228. Its totient is φ = 6253061040.

The previous prime is 6261161629. The next prime is 6261161639. The reversal of 6261161633 is 3361611626.

6261161633 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2349534784 + 3911626849 = 48472^2 + 62543^2 .

It is a cyclic number.

It is not a de Polignac number, because 6261161633 - 2² = 6261161629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6261161593 and 6261161602.

It is not an unprimeable number, because it can be changed into a prime (6261161639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4049138 + ... + 4050683.

It is an arithmetic number, because the mean of its divisors is an integer number (1567315557).

Almost surely, 2^6261161633 is an apocalyptic number.

It is an amenable number.

6261161633 is a deficient number, since it is larger than the sum of its proper divisors (8100595).

6261161633 is an equidigital number, since it uses as much as digits as its factorization.

6261161633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100594.

The product of its digits is 23328, while the sum is 35.

The square root of 6261161633 is about 79127.5023806514. The cubic root of 6261161633 is about 1843.1116254192. Note that the first 3 decimals are identical.

The spelling of 6261161633 in words is "six billion, two hundred sixty-one million, one hundred sixty-one thousand, six hundred thirty-three".