66016316 has 6 divisors (see below), whose sum is σ = 115528560. Its totient is φ = 33008156.

The previous prime is 66016283. The next prime is 66016319. The reversal of 66016316 is 61361066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66016319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8252036 + ... + 8252043.

It is an arithmetic number, because the mean of its divisors is an integer number (19254760).

Almost surely, 2^66016316 is an apocalyptic number.

It is an amenable number.

66016316 is a deficient number, since it is larger than the sum of its proper divisors (49512244).

66016316 is a wasteful number, since it uses less digits than its factorization.

66016316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16504083 (or 16504081 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 66016316 is about 8125.0425229656. The cubic root of 66016316 is about 404.1573007690.

The spelling of 66016316 in words is "sixty-six million, sixteen thousand, three hundred sixteen".