66046442 has 16 divisors (see below), whose sum is σ = 123515712. Its totient is φ = 25732320.

The previous prime is 66046441. The next prime is 66046447. The reversal of 66046442 is 24464066.

It is a junction number, because it is equal to n+sod(n) for n = 66046399 and 66046408.

It is not an unprimeable number, because it can be changed into a prime (66046441) 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, 214283 + ... + 214590.

It is an arithmetic number, because the mean of its divisors is an integer number (7719732).

Almost surely, 2^66046442 is an apocalyptic number.

66046442 is a deficient number, since it is larger than the sum of its proper divisors (57469270).

66046442 is a wasteful number, since it uses less digits than its factorization.

66046442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428893.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 66046442 is about 8126.8962095009. The cubic root of 66046442 is about 404.2187693673.

The spelling of 66046442 in words is "sixty-six million, forty-six thousand, four hundred forty-two".