326706668 has 6 divisors (see below), whose sum is σ = 571736676. Its totient is φ = 163353332.

The previous prime is 326706661. The next prime is 326706671. The reversal of 326706668 is 866607623.

It is not an unprimeable number, because it can be changed into a prime (326706661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40838330 + ... + 40838337.

It is an arithmetic number, because the mean of its divisors is an integer number (95289446).

Almost surely, 2^326706668 is an apocalyptic number.

It is an amenable number.

326706668 is a deficient number, since it is larger than the sum of its proper divisors (245030008).

326706668 is a wasteful number, since it uses less digits than its factorization.

326706668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81676671 (or 81676669 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 326706668 is about 18075.0288519825. The cubic root of 326706668 is about 688.7358130725.

The spelling of 326706668 in words is "three hundred twenty-six million, seven hundred six thousand, six hundred sixty-eight".