66883005 has 48 divisors (see below), whose sum is σ = 133735680. Its totient is φ = 30288384.

The previous prime is 66883001. The next prime is 66883031. The reversal of 66883005 is 50038866.

It is not a de Polignac number, because 66883005 - 2² = 66883001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66883001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34656 + ... + 36534.

It is an arithmetic number, because the mean of its divisors is an integer number (2786160).

Almost surely, 2^66883005 is an apocalyptic number.

It is an amenable number.

66883005 is a deficient number, since it is larger than the sum of its proper divisors (66852675).

66883005 is a wasteful number, since it uses less digits than its factorization.

66883005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 66883005 is about 8178.2030422337. The cubic root of 66883005 is about 405.9182639378.

The spelling of 66883005 in words is "sixty-six million, eight hundred eighty-three thousand, five".