6161505147 has 18 divisors (see below), whose sum is σ = 10353005988. Its totient is φ = 3520859832.

The previous prime is 6161505137. The next prime is 6161505257. The reversal of 6161505147 is 7415051616.

It is a happy number.

6161505147 is a `hidden beast` number, since 6 + 1 + 6 + 1 + 505 + 147 = 666.

It is not a de Polignac number, because 6161505147 - 2¹⁶ = 6161439611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6161505137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6985393 + ... + 6986274.

Almost surely, 2^6161505147 is an apocalyptic number.

6161505147 is a deficient number, since it is larger than the sum of its proper divisors (4191500841).

6161505147 is a wasteful number, since it uses less digits than its factorization.

6161505147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13971687 (or 13971677 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 6161505147 is about 78495.2555700024. The cubic root of 6161505147 is about 1833.2805823904.

The spelling of 6161505147 in words is "six billion, one hundred sixty-one million, five hundred five thousand, one hundred forty-seven".