20186161541814 has 16 divisors (see below), whose sum is σ = 41231308681728. Its totient is φ = 6585556247592.

The previous prime is 20186161541783. The next prime is 20186161541893. The reversal of 20186161541814 is 41814516168102.

It is a super-2 number, since 2×20186161541814² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 35791066282 + ... + 35791066845.

It is an arithmetic number, because the mean of its divisors is an integer number (2576956792608).

Almost surely, 2^{20186161541814} is an apocalyptic number.

20186161541814 is an abundant number, since it is smaller than the sum of its proper divisors (21045147139914).

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

20186161541814 is a wasteful number, since it uses less digits than its factorization.

20186161541814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71582133179.

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 20186161541814 in words is "twenty trillion, one hundred eighty-six billion, one hundred sixty-one million, five hundred forty-one thousand, eight hundred fourteen".