16162814681 has 16 divisors (see below), whose sum is σ = 17654413056. Its totient is φ = 14707478016.

The previous prime is 16162814677. The next prime is 16162814699. The reversal of 16162814681 is 18641826161.

It is a cyclic number.

It is not a de Polignac number, because 16162814681 - 2² = 16162814677 is a prime.

It is a super-2 number, since 2×16162814681² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16162814621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483401 + ... + 515753.

It is an arithmetic number, because the mean of its divisors is an integer number (1103400816).

Almost surely, 2^16162814681 is an apocalyptic number.

It is an amenable number.

16162814681 is a deficient number, since it is larger than the sum of its proper divisors (1491598375).

16162814681 is a wasteful number, since it uses less digits than its factorization.

16162814681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32912.

The product of its digits is 110592, while the sum is 44.

The spelling of 16162814681 in words is "sixteen billion, one hundred sixty-two million, eight hundred fourteen thousand, six hundred eighty-one".