66242614 has 4 divisors (see below), whose sum is σ = 99363924. Its totient is φ = 33121306.

The previous prime is 66242597. The next prime is 66242669. The reversal of 66242614 is 41624266.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16560652 + ... + 16560655.

It is an arithmetic number, because the mean of its divisors is an integer number (24840981).

Almost surely, 2^66242614 is an apocalyptic number.

66242614 is a deficient number, since it is larger than the sum of its proper divisors (33121310).

66242614 is a wasteful number, since it uses less digits than its factorization.

66242614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33121309.

The product of its digits is 13824, while the sum is 31.

The square root of 66242614 is about 8138.9565670300. The cubic root of 66242614 is about 404.6185790681.

The spelling of 66242614 in words is "sixty-six million, two hundred forty-two thousand, six hundred fourteen".