66023496 has 96 divisors (see below), whose sum is σ = 222955200. Its totient is φ = 17147520.

The previous prime is 66023491. The next prime is 66023497. The reversal of 66023496 is 69432066.

66023496 is a `hidden beast` number, since 6 + 602 + 3 + 49 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66023496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66023491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (2322450).

Almost surely, 2^66023496 is an apocalyptic number.

66023496 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66023496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111477600).

66023496 is an abundant number, since it is smaller than the sum of its proper divisors (156931704).

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

66023496 is a wasteful number, since it uses less digits than its factorization.

66023496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11939 (or 11932 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 66023496 is about 8125.4843547939. The cubic root of 66023496 is about 404.1719524208.

The spelling of 66023496 in words is "sixty-six million, twenty-three thousand, four hundred ninety-six".