66352616 has 32 divisors (see below), whose sum is σ = 136274400. Its totient is φ = 30037440.

The previous prime is 66352577. The next prime is 66352619. The reversal of 66352616 is 61625366.

It is not an unprimeable number, because it can be changed into a prime (66352619) 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, 22271 + ... + 25073.

It is an arithmetic number, because the mean of its divisors is an integer number (4258575).

Almost surely, 2^66352616 is an apocalyptic number.

It is an amenable number.

66352616 is an abundant number, since it is smaller than the sum of its proper divisors (69921784).

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

66352616 is a wasteful number, since it uses less digits than its factorization.

66352616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089 (or 3085 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 66352616 is about 8145.7115097455. The cubic root of 66352616 is about 404.8424240924.

The spelling of 66352616 in words is "sixty-six million, three hundred fifty-two thousand, six hundred sixteen".