186040016 has 20 divisors (see below), whose sum is σ = 368836512. Its totient is φ = 90856416.

The previous prime is 186040013. The next prime is 186040069. The reversal of 186040016 is 610040681.

It is a super-2 number, since 2×186040016² = 69221775106560512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186040013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134516 + ... + 135891.

Almost surely, 2^186040016 is an apocalyptic number.

186040016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

186040016 is a deficient number, since it is larger than the sum of its proper divisors (182796496).

186040016 is a wasteful number, since it uses less digits than its factorization.

186040016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270458 (or 270452 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 186040016 is about 13639.6486758274. The cubic root of 186040016 is about 570.8676802511.

Adding to 186040016 its reverse (610040681), we get a palindrome (796080697).

The spelling of 186040016 in words is "one hundred eighty-six million, forty thousand, sixteen".