6168689093465 has 4 divisors (see below), whose sum is σ = 7402426912164. Its totient is φ = 4934951274768.

The previous prime is 6168689093461. The next prime is 6168689093503. The reversal of 6168689093465 is 5643909868616.

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 1168872348736 + 4999816744729 = 1081144^2 + 2236027^2 .

It is a cyclic number.

It is not a de Polignac number, because 6168689093465 - 2² = 6168689093461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6168689093461) 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, 616868909342 + ... + 616868909351.

It is an arithmetic number, because the mean of its divisors is an integer number (1850606728041).

Almost surely, 2^{6168689093465} is an apocalyptic number.

It is an amenable number.

6168689093465 is a deficient number, since it is larger than the sum of its proper divisors (1233737818699).

6168689093465 is a wasteful number, since it uses less digits than its factorization.

6168689093465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233737818698.

The product of its (nonzero) digits is 403107840, while the sum is 71.

The spelling of 6168689093465 in words is "six trillion, one hundred sixty-eight billion, six hundred eighty-nine million, ninety-three thousand, four hundred sixty-five".