66683334 has 32 divisors (see below), whose sum is σ = 136909440. Its totient is φ = 21644672.

The previous prime is 66683327. The next prime is 66683341. The reversal of 66683334 is 43338666.

It is an interprime number because it is at equal distance from previous prime (66683327) and next prime (66683341).

It is a junction number, because it is equal to n+sod(n) for n = 66683292 and 66683301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39169 + ... + 40835.

It is an arithmetic number, because the mean of its divisors is an integer number (4278420).

Almost surely, 2^66683334 is an apocalyptic number.

66683334 is an abundant number, since it is smaller than the sum of its proper divisors (70226106).

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

66683334 is a wasteful number, since it uses less digits than its factorization.

66683334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its digits is 186624, while the sum is 39.

The square root of 66683334 is about 8165.9864070423. The cubic root of 66683334 is about 405.5139215852.

The spelling of 66683334 in words is "sixty-six million, six hundred eighty-three thousand, three hundred thirty-four".