66463152 has 40 divisors (see below), whose sum is σ = 196225536. Its totient is φ = 18989376.

The previous prime is 66463141. The next prime is 66463207. The reversal of 66463152 is 25136466.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98568 + ... + 99239.

Almost surely, 2^66463152 is an apocalyptic number.

It is an amenable number.

66463152 is an abundant number, since it is smaller than the sum of its proper divisors (129762384).

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

66463152 is a wasteful number, since it uses less digits than its factorization.

66463152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197825 (or 197819 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 66463152 is about 8152.4936062532. The cubic root of 66463152 is about 405.0671066975.

The spelling of 66463152 in words is "sixty-six million, four hundred sixty-three thousand, one hundred fifty-two".