66633063 has 16 divisors (see below), whose sum is σ = 101654016. Its totient is φ = 38031840.

The previous prime is 66633059. The next prime is 66633089. The reversal of 66633063 is 36033666.

It is not a de Polignac number, because 66633063 - 2² = 66633059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66633163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27678 + ... + 29988.

It is an arithmetic number, because the mean of its divisors is an integer number (6353376).

Almost surely, 2^66633063 is an apocalyptic number.

66633063 is a deficient number, since it is larger than the sum of its proper divisors (35020953).

66633063 is a wasteful number, since it uses less digits than its factorization.

66633063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694.

The product of its (nonzero) digits is 34992, while the sum is 33.

The square root of 66633063 is about 8162.9077539808. The cubic root of 66633063 is about 405.4119934921.

The spelling of 66633063 in words is "sixty-six million, six hundred thirty-three thousand, sixty-three".