66234542 has 16 divisors (see below), whose sum is σ = 108587952. Its totient is φ = 30049920.

The previous prime is 66234529. The next prime is 66234547. The reversal of 66234542 is 24543266.

It is a junction number, because it is equal to n+sod(n) for n = 66234499 and 66234508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66234547) 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, 10508 + ... + 15584.

It is an arithmetic number, because the mean of its divisors is an integer number (6786747).

Almost surely, 2^66234542 is an apocalyptic number.

66234542 is a deficient number, since it is larger than the sum of its proper divisors (42353410).

66234542 is a wasteful number, since it uses less digits than its factorization.

66234542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683.

The product of its digits is 34560, while the sum is 32.

The square root of 66234542 is about 8138.4606652610. The cubic root of 66234542 is about 404.6021434554.

The spelling of 66234542 in words is "sixty-six million, two hundred thirty-four thousand, five hundred forty-two".