16463255406555 has 32 divisors (see below), whose sum is σ = 27285334263360. Its totient is φ = 8466490081280.

The previous prime is 16463255406539. The next prime is 16463255406589. The reversal of 16463255406555 is 55560455236461.

It is not a de Polignac number, because 16463255406555 - 2⁴ = 16463255406539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16463255406495 and 16463255406504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24535302 + ... + 25197371.

It is an arithmetic number, because the mean of its divisors is an integer number (852666695730).

Almost surely, 2^{16463255406555} is an apocalyptic number.

16463255406555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16463255406555 is a deficient number, since it is larger than the sum of its proper divisors (10822078856805).

16463255406555 is a wasteful number, since it uses less digits than its factorization.

16463255406555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49733471.

The product of its (nonzero) digits is 64800000, while the sum is 57.

The spelling of 16463255406555 in words is "sixteen trillion, four hundred sixty-three billion, two hundred fifty-five million, four hundred six thousand, five hundred fifty-five".