66103142 has 8 divisors (see below), whose sum is σ = 113319696. Its totient is φ = 28329912.

The previous prime is 66103139. The next prime is 66103181. The reversal of 66103142 is 24130166.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360813 + ... + 2360840.

It is an arithmetic number, because the mean of its divisors is an integer number (14164962).

Almost surely, 2^66103142 is an apocalyptic number.

66103142 is a deficient number, since it is larger than the sum of its proper divisors (47216554).

66103142 is a wasteful number, since it uses less digits than its factorization.

66103142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721662.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 66103142 is about 8130.3838777760. The cubic root of 66103142 is about 404.3344084441.

The spelling of 66103142 in words is "sixty-six million, one hundred three thousand, one hundred forty-two".