2653166819 has 8 divisors (see below), whose sum is σ = 2759994000. Its totient is φ = 2547362272.

The previous prime is 2653166777. The next prime is 2653166827. The reversal of 2653166819 is 9186613562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2653166819 is a prime.

It is a super-2 number, since 2×2653166819² = 14078588338885157522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2653166849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250364 + ... + 260745.

It is an arithmetic number, because the mean of its divisors is an integer number (344999250).

Almost surely, 2^2653166819 is an apocalyptic number.

2653166819 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2653166819 is a deficient number, since it is larger than the sum of its proper divisors (106827181).

2653166819 is a wasteful number, since it uses less digits than its factorization.

2653166819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511317.

The product of its digits is 466560, while the sum is 47.

The square root of 2653166819 is about 51508.9003862439. The cubic root of 2653166819 is about 1384.3785208423.

The spelling of 2653166819 in words is "two billion, six hundred fifty-three million, one hundred sixty-six thousand, eight hundred nineteen".