16401481958783 has 8 divisors (see below), whose sum is σ = 17538218334000. Its totient is φ = 15283850396800.

The previous prime is 16401481958779. The next prime is 16401481958809. The reversal of 16401481958783 is 38785918410461.

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 16401481958783 - 2² = 16401481958779 is a prime.

It is a super-2 number, since 2×16401481958783² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401481958753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4776201533 + ... + 4776204966.

It is an arithmetic number, because the mean of its divisors is an integer number (2192277291750).

Almost surely, 2^{16401481958783} is an apocalyptic number.

16401481958783 is a deficient number, since it is larger than the sum of its proper divisors (1136736375217).

16401481958783 is a wasteful number, since it uses less digits than its factorization.

16401481958783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9552406617.

The product of its (nonzero) digits is 46448640, while the sum is 65.

The spelling of 16401481958783 in words is "sixteen trillion, four hundred one billion, four hundred eighty-one million, nine hundred fifty-eight thousand, seven hundred eighty-three".