667708083 has 64 divisors (see below), whose sum is σ = 1166592000. Its totient is φ = 369515520.

The previous prime is 667708043. The next prime is 667708103. The reversal of 667708083 is 380807766.

It is not a de Polignac number, because 667708083 - 2¹⁷ = 667577011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667708003) 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 63 ways as a sum of consecutive naturals, for example, 1541835 + ... + 1542267.

It is an arithmetic number, because the mean of its divisors is an integer number (18228000).

Almost surely, 2^667708083 is an apocalyptic number.

667708083 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

667708083 is a deficient number, since it is larger than the sum of its proper divisors (498883917).

667708083 is a wasteful number, since it uses less digits than its factorization.

667708083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 667708083 is about 25840.0480456210. The cubic root of 667708083 is about 874.0351085639.

The spelling of 667708083 in words is "six hundred sixty-seven million, seven hundred eight thousand, eighty-three".