66894162 has 16 divisors (see below), whose sum is σ = 136313280. Its totient is φ = 21877232.

The previous prime is 66894137. The next prime is 66894169. The reversal of 66894162 is 26149866.

It is not an unprimeable number, because it can be changed into a prime (66894169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104862 + ... + 105497.

It is an arithmetic number, because the mean of its divisors is an integer number (8519580).

Almost surely, 2^66894162 is an apocalyptic number.

66894162 is an abundant number, since it is smaller than the sum of its proper divisors (69419118).

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

66894162 is a wasteful number, since it uses less digits than its factorization.

66894162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210417.

The product of its digits is 124416, while the sum is 42.

The square root of 66894162 is about 8178.8851318502. The cubic root of 66894162 is about 405.9408335889.

It can be divided in two parts, 668 and 94162, that added together give a triangular number (94830 = T₄₃₅).

The spelling of 66894162 in words is "sixty-six million, eight hundred ninety-four thousand, one hundred sixty-two".