1836136553472 has 1584 divisors, whose sum is σ = 6576233795040. Its totient is φ = 507665055744.

The previous prime is 1836136553441. The next prime is 1836136553473. The reversal of 1836136553472 is 2743556316381.

1836136553472 is a `hidden beast` number, since 1 + 8 + 3 + 6 + 1 + 36 + 5 + 534 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (10886400) is a multiple of the sum of its prime factors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836136553473) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 49625312238 + ... + 49625312274.

Almost surely, 2^{1836136553472} is an apocalyptic number.

1836136553472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836136553472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3288116897520).

1836136553472 is an abundant number, since it is smaller than the sum of its proper divisors (4740097241568).

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

1836136553472 is a wasteful number, since it uses less digits than its factorization.

1836136553472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 107 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 1836136553472 in words is "one trillion, eight hundred thirty-six billion, one hundred thirty-six million, five hundred fifty-three thousand, four hundred seventy-two".