6163015634561 has 4 divisors (see below), whose sum is σ = 6163059284052. Its totient is φ = 6162971985072.

The previous prime is 6163015634483. The next prime is 6163015634591. The reversal of 6163015634561 is 1654365103616.

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 5226340082161 + 936675552400 = 2286119^2 + 967820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6163015634561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6163015634591) 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, 21612266 + ... + 21895571.

It is an arithmetic number, because the mean of its divisors is an integer number (1540764821013).

Almost surely, 2^{6163015634561} is an apocalyptic number.

It is an amenable number.

6163015634561 is a deficient number, since it is larger than the sum of its proper divisors (43649491).

6163015634561 is a wasteful number, since it uses less digits than its factorization.

6163015634561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43649490.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 6163015634561 in words is "six trillion, one hundred sixty-three billion, fifteen million, six hundred thirty-four thousand, five hundred sixty-one".