16393387155 has 16 divisors (see below), whose sum is σ = 26273665440. Its totient is φ = 8728391168.

The previous prime is 16393387141. The next prime is 16393387163. The reversal of 16393387155 is 55178339361.

It is a cyclic number.

It is not a de Polignac number, because 16393387155 - 2⁴ = 16393387139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16393387098 and 16393387107.

It is an unprimeable number.

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, 912600 + ... + 930389.

It is an arithmetic number, because the mean of its divisors is an integer number (1642104090).

Almost surely, 2^16393387155 is an apocalyptic number.

16393387155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16393387155 is a deficient number, since it is larger than the sum of its proper divisors (9880278285).

16393387155 is a wasteful number, since it uses less digits than its factorization.

16393387155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843590.

The product of its digits is 2041200, while the sum is 51.

The spelling of 16393387155 in words is "sixteen billion, three hundred ninety-three million, three hundred eighty-seven thousand, one hundred fifty-five".