66674112 has 112 divisors (see below), whose sum is σ = 184050432. Its totient is φ = 21288960.

The previous prime is 66674107. The next prime is 66674117. The reversal of 66674112 is 21147666.

It is an interprime number because it is at equal distance from previous prime (66674107) and next prime (66674117).

Its product of digits (12096) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66674117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913308 + ... + 913380.

Almost surely, 2^66674112 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 66674112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92025216).

66674112 is an abundant number, since it is smaller than the sum of its proper divisors (117376320).

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

66674112 is a wasteful number, since it uses less digits than its factorization.

66674112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 216 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 66674112 is about 8165.4217282391. The cubic root of 66674112 is about 405.4952271501.

The spelling of 66674112 in words is "sixty-six million, six hundred seventy-four thousand, one hundred twelve".