3954016668 has 48 divisors (see below), whose sum is σ = 10789264640. Its totient is φ = 1103445504.

The previous prime is 3954016663. The next prime is 3954016697. The reversal of 3954016668 is 8666104593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954016663) 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, 543733 + ... + 550956.

Almost surely, 2^3954016668 is an apocalyptic number.

It is an amenable number.

3954016668 is an abundant number, since it is smaller than the sum of its proper divisors (6835247972).

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

3954016668 is a wasteful number, since it uses less digits than its factorization.

3954016668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094746 (or 1094744 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 3954016668 is about 62880.9722253083. The cubic root of 3954016668 is about 1581.2947604113.

The spelling of 3954016668 in words is "three billion, nine hundred fifty-four million, sixteen thousand, six hundred sixty-eight".