6161451650 has 24 divisors (see below), whose sum is σ = 11855485620. Its totient is φ = 2379594560.

The previous prime is 6161451649. The next prime is 6161451683. The reversal of 6161451650 is 561541616.

It can be written as a sum of positive squares in 6 ways, for example, as 3478522441 + 2682929209 = 58979^2 + 51797^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6161451650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2123189 + ... + 2126088.

Almost surely, 2^6161451650 is an apocalyptic number.

6161451650 is a deficient number, since it is larger than the sum of its proper divisors (5694033970).

6161451650 is a wasteful number, since it uses less digits than its factorization.

6161451650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249318 (or 4249313 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 6161451650 is about 78494.9148034444. The cubic root of 6161451650 is about 1833.2752765821.

The spelling of 6161451650 in words is "six billion, one hundred sixty-one million, four hundred fifty-one thousand, six hundred fifty".