16269491121776 has 20 divisors (see below), whose sum is σ = 31752227658912. Its totient is φ = 8075367854976.

The previous prime is 16269491121773. The next prime is 16269491121791. The reversal of 16269491121776 is 67712119496261.

It is a super-2 number, since 2×16269491121776² (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 (16269491121773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3711104360 + ... + 3711108743.

Almost surely, 2^{16269491121776} is an apocalyptic number.

16269491121776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16269491121776 is a deficient number, since it is larger than the sum of its proper divisors (15482736537136).

16269491121776 is a wasteful number, since it uses less digits than its factorization.

16269491121776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422213248 (or 7422213242 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 62.

The spelling of 16269491121776 in words is "sixteen trillion, two hundred sixty-nine billion, four hundred ninety-one million, one hundred twenty-one thousand, seven hundred seventy-six".