66230892 has 192 divisors, whose sum is σ = 221276160. Its totient is φ = 16651008.

The previous prime is 66230873. The next prime is 66230893. The reversal of 66230892 is 29803266.

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

It is not an unprimeable number, because it can be changed into a prime (66230893) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225898 + ... + 226190.

It is an arithmetic number, because the mean of its divisors is an integer number (1152480).

Almost surely, 2^66230892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66230892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110638080).

66230892 is an abundant number, since it is smaller than the sum of its proper divisors (155045268).

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

66230892 is a wasteful number, since it uses less digits than its factorization.

66230892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 66230892 is about 8138.2364182911. The cubic root of 66230892 is about 404.5947111555.

The spelling of 66230892 in words is "sixty-six million, two hundred thirty thousand, eight hundred ninety-two".