16355140155 has 24 divisors (see below), whose sum is σ = 29115099312. Its totient is φ = 8486990784.

The previous prime is 16355140141. The next prime is 16355140199. The reversal of 16355140155 is 55104155361.

16355140155 is a `hidden beast` number, since 1 + 63 + 551 + 40 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 16355140155 - 2¹⁸ = 16354878011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4909789 + ... + 4913118.

It is an arithmetic number, because the mean of its divisors is an integer number (1213129138).

Almost surely, 2^16355140155 is an apocalyptic number.

16355140155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16355140155 is a deficient number, since it is larger than the sum of its proper divisors (12759959157).

16355140155 is a wasteful number, since it uses less digits than its factorization.

16355140155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822955 (or 9822952 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 16355140155 in words is "sixteen billion, three hundred fifty-five million, one hundred forty thousand, one hundred fifty-five".