16554433254155 has 16 divisors (see below), whose sum is σ = 20927161624320. Its totient is φ = 12536738695008.

The previous prime is 16554433254137. The next prime is 16554433254181. The reversal of 16554433254155 is 55145233445561.

It is a cyclic number.

It is not a de Polignac number, because 16554433254155 - 2¹⁶ = 16554433188619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16554433254097 and 16554433254106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67788167 + ... + 68031936.

It is an arithmetic number, because the mean of its divisors is an integer number (1307947601520).

Almost surely, 2^{16554433254155} is an apocalyptic number.

16554433254155 is a deficient number, since it is larger than the sum of its proper divisors (4372728370165).

16554433254155 is a wasteful number, since it uses less digits than its factorization.

16554433254155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135821410.

The product of its digits is 21600000, while the sum is 53.

The spelling of 16554433254155 in words is "sixteen trillion, five hundred fifty-four billion, four hundred thirty-three million, two hundred fifty-four thousand, one hundred fifty-five".