16119227943 has 72 divisors (see below), whose sum is σ = 30509133408. Its totient is φ = 8002215936.

The previous prime is 16119227939. The next prime is 16119227951. The reversal of 16119227943 is 34972291161.

16119227943 is a `hidden beast` number, since 1 + 611 + 9 + 2 + 27 + 9 + 4 + 3 = 666.

It is not a de Polignac number, because 16119227943 - 2² = 16119227939 is a prime.

It is a super-2 number, since 2×16119227943² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16119227903) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 136471 + ... + 225527.

It is an arithmetic number, because the mean of its divisors is an integer number (423737964).

Almost surely, 2^16119227943 is an apocalyptic number.

16119227943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16119227943 is a deficient number, since it is larger than the sum of its proper divisors (14389905465).

16119227943 is a wasteful number, since it uses less digits than its factorization.

16119227943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89113 (or 89097 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The spelling of 16119227943 in words is "sixteen billion, one hundred nineteen million, two hundred twenty-seven thousand, nine hundred forty-three".