6156611065 has 16 divisors (see below), whose sum is σ = 8082815040. Its totient is φ = 4464617920.

The previous prime is 6156611051. The next prime is 6156611077. The reversal of 6156611065 is 5601166516.

It is not a de Polignac number, because 6156611065 - 2⁵ = 6156611033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142210 + ... + 180379.

It is an arithmetic number, because the mean of its divisors is an integer number (505175940).

Almost surely, 2^6156611065 is an apocalyptic number.

It is an amenable number.

6156611065 is a deficient number, since it is larger than the sum of its proper divisors (1926203975).

6156611065 is a wasteful number, since it uses less digits than its factorization.

6156611065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322952.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6156611065 is about 78464.0749961407. The cubic root of 6156611065 is about 1832.7950623819.

The spelling of 6156611065 in words is "six billion, one hundred fifty-six million, six hundred eleven thousand, sixty-five".