1865066164936 has 32 divisors (see below), whose sum is σ = 3987528342840. Its totient is φ = 810164487168.

The previous prime is 1865066164909. The next prime is 1865066164961. The reversal of 1865066164936 is 6394616605681.

It can be written as a sum of positive squares in 4 ways, for example, as 1845266860836 + 19799304100 = 1358406^2 + 140710^2 .

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, 527449071 + ... + 527452606.

Almost surely, 2^{1865066164936} is an apocalyptic number.

It is an amenable number.

1865066164936 is an abundant number, since it is smaller than the sum of its proper divisors (2122462177904).

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

1865066164936 is a wasteful number, since it uses less digits than its factorization.

1865066164936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054901713 (or 1054901709 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 1865066164936 in words is "one trillion, eight hundred sixty-five billion, sixty-six million, one hundred sixty-four thousand, nine hundred thirty-six".