6156641063 has 4 divisors (see below), whose sum is σ = 6156845688. Its totient is φ = 6156436440.

The previous prime is 6156641059. The next prime is 6156641167. The reversal of 6156641063 is 3601466516.

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

It is a cyclic number.

It is not a de Polignac number, because 6156641063 - 2² = 6156641059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6156641033) 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, 47333 + ... + 120638.

It is an arithmetic number, because the mean of its divisors is an integer number (1539211422).

Almost surely, 2^6156641063 is an apocalyptic number.

6156641063 is a deficient number, since it is larger than the sum of its proper divisors (204625).

6156641063 is a wasteful number, since it uses less digits than its factorization.

6156641063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204624.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 6156641063 is about 78464.2661534536. The cubic root of 6156641063 is about 1832.7980391330.

The spelling of 6156641063 in words is "six billion, one hundred fifty-six million, six hundred forty-one thousand, sixty-three".