66463064 has 64 divisors (see below), whose sum is σ = 140940000. Its totient is φ = 29297664.

The previous prime is 66463057. The next prime is 66463073. The reversal of 66463064 is 46036466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746732 + ... + 746820.

Almost surely, 2^66463064 is an apocalyptic number.

It is an amenable number.

66463064 is an abundant number, since it is smaller than the sum of its proper divisors (74476936).

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

66463064 is a wasteful number, since it uses less digits than its factorization.

66463064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 66463064 is about 8152.4882091298. The cubic root of 66463064 is about 405.0669279222.

The spelling of 66463064 in words is "sixty-six million, four hundred sixty-three thousand, sixty-four".