66270316 has 12 divisors (see below), whose sum is σ = 132540688. Its totient is φ = 28401552.

The previous prime is 66270287. The next prime is 66270317. The reversal of 66270316 is 61307266.

66270316 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66270317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183371 + ... + 1183426.

Almost surely, 2^66270316 is an apocalyptic number.

It is an amenable number.

66270316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66270316 is a wasteful number, since it uses less digits than its factorization.

66270316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366808 (or 2366806 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 66270316 is about 8140.6582043469. The cubic root of 66270316 is about 404.6749736914.

The spelling of 66270316 in words is "sixty-six million, two hundred seventy thousand, three hundred sixteen".