1836108187008 has 64 divisors (see below), whose sum is σ = 4877353681920. Its totient is φ = 612012055040.

The previous prime is 1836108187007. The next prime is 1836108187013. The reversal of 1836108187008 is 8007818016381.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836108187007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11606941 + ... + 11764067.

It is an arithmetic number, because the mean of its divisors is an integer number (76208651280).

Almost surely, 2^{1836108187008} is an apocalyptic number.

It is an amenable number.

1836108187008 is an abundant number, since it is smaller than the sum of its proper divisors (3041245494912).

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

1836108187008 is a wasteful number, since it uses less digits than its factorization.

1836108187008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187575 (or 187563 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 51.

The spelling of 1836108187008 in words is "one trillion, eight hundred thirty-six billion, one hundred eight million, one hundred eighty-seven thousand, eight".