16622677622661 has 32 divisors (see below), whose sum is σ = 24420345353856. Its totient is φ = 9973576800000.

The previous prime is 16622677622659. The next prime is 16622677622701.

16622677622661 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16622677622661 - 2¹ = 16622677622659 is a prime.

It is a super-2 number, since 2×16622677622661² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16622677622595 and 16622677622604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16622677623661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32748175 + ... + 33251891.

It is an arithmetic number, because the mean of its divisors is an integer number (763135792308).

Almost surely, 2^{16622677622661} is an apocalyptic number.

16622677622661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16622677622661 is a deficient number, since it is larger than the sum of its proper divisors (7797667731195).

16622677622661 is a wasteful number, since it uses less digits than its factorization.

16622677622661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513733.

The product of its digits is 36578304, while the sum is 60.

The spelling of 16622677622661 in words is "sixteen trillion, six hundred twenty-two billion, six hundred seventy-seven million, six hundred twenty-two thousand, six hundred sixty-one".