186223068 has 36 divisors (see below), whose sum is σ = 472272528. Its totient is φ = 61871040.

The previous prime is 186223061. The next prime is 186223091. The reversal of 186223068 is 860322681.

186223068 is nontrivially palindromic in base 11.

186223068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186223061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2880 + ... + 19512.

Almost surely, 2^186223068 is an apocalyptic number.

186223068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

186223068 is an abundant number, since it is smaller than the sum of its proper divisors (286049460).

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

186223068 is a wasteful number, since it uses less digits than its factorization.

186223068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16954 (or 16949 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 186223068 is about 13646.3573161485. The cubic root of 186223068 is about 571.0548518396.

The spelling of 186223068 in words is "one hundred eighty-six million, two hundred twenty-three thousand, sixty-eight".