66433142 has 16 divisors (see below), whose sum is σ = 103356000. Its totient is φ = 31987200.

The previous prime is 66433123. The next prime is 66433163. The reversal of 66433142 is 24133466.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24767 + ... + 27317.

It is an arithmetic number, because the mean of its divisors is an integer number (6459750).

Almost surely, 2^66433142 is an apocalyptic number.

66433142 is a deficient number, since it is larger than the sum of its proper divisors (36922858).

66433142 is a wasteful number, since it uses less digits than its factorization.

66433142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031.

The product of its digits is 10368, while the sum is 29.

The square root of 66433142 is about 8150.6528572870. The cubic root of 66433142 is about 405.0061310864.

The spelling of 66433142 in words is "sixty-six million, four hundred thirty-three thousand, one hundred forty-two".