66368982 has 32 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 21279968.

The previous prime is 66368971. The next prime is 66368983. The reversal of 66368982 is 28986366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66368983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14644 + ... + 18632.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^66368982 is an apocalyptic number.

66368982 is an abundant number, since it is smaller than the sum of its proper divisors (71525418).

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

66368982 is a wasteful number, since it uses less digits than its factorization.

66368982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100.

The product of its digits is 746496, while the sum is 48.

The square root of 66368982 is about 8146.7160254915. The cubic root of 66368982 is about 404.8757064096.

The spelling of 66368982 in words is "sixty-six million, three hundred sixty-eight thousand, nine hundred eighty-two".