1872816366 has 16 divisors (see below), whose sum is σ = 3746058624. Its totient is φ = 624201144.

The previous prime is 1872816343. The next prime is 1872816389. The reversal of 1872816366 is 6636182781.

It is an interprime number because it is at equal distance from previous prime (1872816343) and next prime (1872816389).

It is a super-2 number, since 2×1872816366² = 7014882281514891912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86821 + ... + 106223.

It is an arithmetic number, because the mean of its divisors is an integer number (234128664).

Almost surely, 2^1872816366 is an apocalyptic number.

1872816366 is an abundant number, since it is smaller than the sum of its proper divisors (1873242258).

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

1872816366 is a wasteful number, since it uses less digits than its factorization.

1872816366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35495.

The product of its digits is 580608, while the sum is 48.

The square root of 1872816366 is about 43276.0484101772. The cubic root of 1872816366 is about 1232.6271574786.

The spelling of 1872816366 in words is "one billion, eight hundred seventy-two million, eight hundred sixteen thousand, three hundred sixty-six".