1918527776836 has 48 divisors (see below), whose sum is σ = 3924817727040. Its totient is φ = 810871838720.

The previous prime is 1918527776827. The next prime is 1918527776839. The reversal of 1918527776836 is 6386777258191.

It is not an unprimeable number, because it can be changed into a prime (1918527776839) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15388981 + ... + 15513148.

It is an arithmetic number, because the mean of its divisors is an integer number (81767035980).

Almost surely, 2^{1918527776836} is an apocalyptic number.

It is an amenable number.

1918527776836 is an abundant number, since it is smaller than the sum of its proper divisors (2006289950204).

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

1918527776836 is a wasteful number, since it uses less digits than its factorization.

1918527776836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30902244 (or 30902242 counting only the distinct ones).

The product of its digits is 213373440, while the sum is 70.

The spelling of 1918527776836 in words is "one trillion, nine hundred eighteen billion, five hundred twenty-seven million, seven hundred seventy-six thousand, eight hundred thirty-six".