1868676810 has 192 divisors, whose sum is σ = 6068272896. Its totient is φ = 358364160.

The previous prime is 1868676781. The next prime is 1868676827. The reversal of 1868676810 is 186768681.

It is a super-2 number, since 2×1868676810² = 6983906040463552200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 327502 + ... + 333158.

It is an arithmetic number, because the mean of its divisors is an integer number (31605588).

Almost surely, 2^1868676810 is an apocalyptic number.

1868676810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868676810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3034136448).

1868676810 is an abundant number, since it is smaller than the sum of its proper divisors (4199596086).

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

1868676810 is a wasteful number, since it uses less digits than its factorization.

1868676810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 1868676810 is about 43228.1946187902. The cubic root of 1868676810 is about 1231.7183135759.

The spelling of 1868676810 in words is "one billion, eight hundred sixty-eight million, six hundred seventy-six thousand, eight hundred ten".