16043802855 has 16 divisors (see below), whose sum is σ = 25685252064. Its totient is φ = 8551639040.

The previous prime is 16043802847. The next prime is 16043802857. The reversal of 16043802855 is 55820834061.

It is not a de Polignac number, because 16043802855 - 2³ = 16043802847 is a prime.

It is a super-2 number, since 2×16043802855² (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 (16043802857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289686 + ... + 340595.

It is an arithmetic number, because the mean of its divisors is an integer number (1605328254).

Almost surely, 2^16043802855 is an apocalyptic number.

16043802855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16043802855 is a deficient number, since it is larger than the sum of its proper divisors (9641449209).

16043802855 is a wasteful number, since it uses less digits than its factorization.

16043802855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631986.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 16043802855 in words is "sixteen billion, forty-three million, eight hundred two thousand, eight hundred fifty-five".