16109350279 has 24 divisors (see below), whose sum is σ = 18978993792. Its totient is φ = 13551284880.

The previous prime is 16109350207. The next prime is 16109350307. The reversal of 16109350279 is 97205390161.

It is not a de Polignac number, because 16109350279 - 2¹¹ = 16109348231 is a prime.

It is a super-2 number, since 2×16109350279² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109350879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123582 + ... + 217924.

It is an arithmetic number, because the mean of its divisors is an integer number (790791408).

Almost surely, 2^16109350279 is an apocalyptic number.

16109350279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16109350279 is a deficient number, since it is larger than the sum of its proper divisors (2869643513).

16109350279 is a wasteful number, since it uses less digits than its factorization.

16109350279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94435 (or 94416 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 16109350279 in words is "sixteen billion, one hundred nine million, three hundred fifty thousand, two hundred seventy-nine".