1836868368687 has 32 divisors (see below), whose sum is σ = 2829072718080. Its totient is φ = 1047731397120.

The previous prime is 1836868368611. The next prime is 1836868368719. The reversal of 1836868368687 is 7868638686381.

It is not a de Polignac number, because 1836868368687 - 2¹⁵ = 1836868335919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836868368487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30697764 + ... + 30757542.

It is an arithmetic number, because the mean of its divisors is an integer number (88408522440).

Almost surely, 2^{1836868368687} is an apocalyptic number.

1836868368687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1836868368687 is a deficient number, since it is larger than the sum of its proper divisors (992204349393).

1836868368687 is a wasteful number, since it uses less digits than its factorization.

1836868368687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114583.

The product of its digits is 2675441664, while the sum is 78.

The spelling of 1836868368687 in words is "one trillion, eight hundred thirty-six billion, eight hundred sixty-eight million, three hundred sixty-eight thousand, six hundred eighty-seven".