3636986162181 has 16 divisors (see below), whose sum is σ = 4862023383360. Its totient is φ = 2418310563840.

The previous prime is 3636986162167. The next prime is 3636986162203. The reversal of 3636986162181 is 1812616896363.

It is not a de Polignac number, because 3636986162181 - 2²³ = 3636977773573 is a prime.

It is a super-2 number, since 2×3636986162181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3636986164181) 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, 1054375 + ... + 2895803.

It is an arithmetic number, because the mean of its divisors is an integer number (303876461460).

Almost surely, 2^{3636986162181} is an apocalyptic number.

It is an amenable number.

3636986162181 is a deficient number, since it is larger than the sum of its proper divisors (1225037221179).

3636986162181 is a wasteful number, since it uses less digits than its factorization.

3636986162181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843156.

The product of its digits is 13436928, while the sum is 60.

The spelling of 3636986162181 in words is "three trillion, six hundred thirty-six billion, nine hundred eighty-six million, one hundred sixty-two thousand, one hundred eighty-one".