16951968481 has 8 divisors (see below), whose sum is σ = 19407612224. Its totient is φ = 14504808240.

The previous prime is 16951968469. The next prime is 16951968487. The reversal of 16951968481 is 18486915961.

16951968481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16951968481 - 2¹¹ = 16951966433 is a prime.

It is a super-2 number, since 2×16951968481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16951968487) 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 7 ways as a sum of consecutive naturals, for example, 2116590 + ... + 2124583.

It is an arithmetic number, because the mean of its divisors is an integer number (2425951528).

Almost surely, 2^16951968481 is an apocalyptic number.

It is an amenable number.

16951968481 is a deficient number, since it is larger than the sum of its proper divisors (2455643743).

16951968481 is an equidigital number, since it uses as much as digits as its factorization.

16951968481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241751.

The product of its digits is 3732480, while the sum is 58.

The spelling of 16951968481 in words is "sixteen billion, nine hundred fifty-one million, nine hundred sixty-eight thousand, four hundred eighty-one".