542100000186 has 12 divisors (see below), whose sum is σ = 1174550000442. Its totient is φ = 180700000056.

The previous prime is 542100000131. The next prime is 542100000187. The reversal of 542100000186 is 681000001245.

542100000186 is a `hidden beast` number, since 542 + 100 + 0 + 0 + 0 + 18 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 326218034025 + 215881966161 = 571155^2 + 464631^2 .

It is a super-2 number, since 2×542100000186² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542100000187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15058333321 + ... + 15058333356.

Almost surely, 2^542100000186 is an apocalyptic number.

542100000186 is an abundant number, since it is smaller than the sum of its proper divisors (632450000256).

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

542100000186 is a wasteful number, since it uses less digits than its factorization.

542100000186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30116666685 (or 30116666682 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 542100000186 in words is "five hundred forty-two billion, one hundred million, one hundred eighty-six", and thus it is an aban number.