66716342 has 48 divisors (see below), whose sum is σ = 128044800. Its totient is φ = 25779600.

The previous prime is 66716329. The next prime is 66716413. The reversal of 66716342 is 24361766.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214367 + ... + 214677.

It is an arithmetic number, because the mean of its divisors is an integer number (2667600).

Almost surely, 2^66716342 is an apocalyptic number.

66716342 is a deficient number, since it is larger than the sum of its proper divisors (61328458).

66716342 is a wasteful number, since it uses less digits than its factorization.

66716342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 530 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 66716342 is about 8168.0072233073. The cubic root of 66716342 is about 405.5808198380.

The spelling of 66716342 in words is "sixty-six million, seven hundred sixteen thousand, three hundred forty-two".