66983061 has 16 divisors (see below), whose sum is σ = 95716224. Its totient is φ = 41557824.

The previous prime is 66983047. The next prime is 66983083. The reversal of 66983061 is 16038966.

It is a happy number.

It is not a de Polignac number, because 66983061 - 2⁶ = 66982997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66983261) 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, 10566 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (5982264).

Almost surely, 2^66983061 is an apocalyptic number.

It is an amenable number.

66983061 is a deficient number, since it is larger than the sum of its proper divisors (28733163).

66983061 is a wasteful number, since it uses less digits than its factorization.

66983061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26300.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 66983061 is about 8184.3179923559. The cubic root of 66983061 is about 406.1205790187.

The spelling of 66983061 in words is "sixty-six million, nine hundred eighty-three thousand, sixty-one".