16281362668 has 24 divisors (see below), whose sum is σ = 28848082032. Its totient is φ = 8039138304.

The previous prime is 16281362653. The next prime is 16281362683. The reversal of 16281362668 is 86626318261.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16281362653) and next prime (16281362683).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872896 + ... + 891352.

It is an arithmetic number, because the mean of its divisors is an integer number (1202003418).

Almost surely, 2^16281362668 is an apocalyptic number.

It is an amenable number.

16281362668 is a deficient number, since it is larger than the sum of its proper divisors (12566719364).

16281362668 is a wasteful number, since it uses less digits than its factorization.

16281362668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201 (or 21199 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The spelling of 16281362668 in words is "sixteen billion, two hundred eighty-one million, three hundred sixty-two thousand, six hundred sixty-eight".