66106683 has 24 divisors (see below), whose sum is σ = 97431360. Its totient is φ = 43182720.

The previous prime is 66106639. The next prime is 66106697. The reversal of 66106683 is 38660166.

It is not a de Polignac number, because 66106683 - 2⁹ = 66106171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66106613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156813 + ... + 157233.

It is an arithmetic number, because the mean of its divisors is an integer number (4059640).

Almost surely, 2^66106683 is an apocalyptic number.

66106683 is a deficient number, since it is larger than the sum of its proper divisors (31324677).

66106683 is a wasteful number, since it uses less digits than its factorization.

66106683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 66106683 is about 8130.6016382553. The cubic root of 66106683 is about 404.3416280837.

The spelling of 66106683 in words is "sixty-six million, one hundred six thousand, six hundred eighty-three".