16273608554 has 64 divisors (see below), whose sum is σ = 29725968384. Its totient is φ = 6530711616.

The previous prime is 16273608541. The next prime is 16273608557. The reversal of 16273608554 is 45580637261.

It is a junction number, because it is equal to n+sod(n) for n = 16273608499 and 16273608508.

It is not an unprimeable number, because it can be changed into a prime (16273608557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10972697 + ... + 10974179.

It is an arithmetic number, because the mean of its divisors is an integer number (464468256).

Almost surely, 2^16273608554 is an apocalyptic number.

16273608554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16273608554 is a deficient number, since it is larger than the sum of its proper divisors (13452359830).

16273608554 is a wasteful number, since it uses less digits than its factorization.

16273608554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 16273608554 in words is "sixteen billion, two hundred seventy-three million, six hundred eight thousand, five hundred fifty-four".