968216381 has 8 divisors (see below), whose sum is σ = 1057437504. Its totient is φ = 879195520.

The previous prime is 968216363. The next prime is 968216387. The reversal of 968216381 is 183612869.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968216381 is a prime.

It is a super-2 number, since 2×968216381² = 1874885920873474322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968216387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39860 + ... + 59373.

It is an arithmetic number, because the mean of its divisors is an integer number (132179688).

Almost surely, 2^968216381 is an apocalyptic number.

It is an amenable number.

968216381 is a deficient number, since it is larger than the sum of its proper divisors (89221123).

968216381 is a wasteful number, since it uses less digits than its factorization.

968216381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100131.

The product of its digits is 124416, while the sum is 44.

The square root of 968216381 is about 31116.1755522751. The cubic root of 968216381 is about 989.2911911024.

The spelling of 968216381 in words is "nine hundred sixty-eight million, two hundred sixteen thousand, three hundred eighty-one".