2686193616 has 20 divisors (see below), whose sum is σ = 6939333632. Its totient is φ = 895397856.

The previous prime is 2686193611. The next prime is 2686193641. The reversal of 2686193616 is 6163916862.

It is a super-2 number, since 2×2686193616² = 14431272285278310912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 55962367 = 2686193616 / (2 + 6 + 8 + 6 + 1 + 9 + 3 + 6 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686193611) 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, 27981136 + ... + 27981231.

Almost surely, 2^2686193616 is an apocalyptic number.

It is an amenable number.

2686193616 is an abundant number, since it is smaller than the sum of its proper divisors (4253140016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2686193616 is a wasteful number, since it uses less digits than its factorization.

2686193616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55962378 (or 55962372 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 2686193616 is about 51828.5019656173. The cubic root of 2686193616 is about 1390.0991278959.

The spelling of 2686193616 in words is "two billion, six hundred eighty-six million, one hundred ninety-three thousand, six hundred sixteen".