16541273056 has 72 divisors (see below), whose sum is σ = 40908959280. Its totient is φ = 6444641280.

The previous prime is 16541273033. The next prime is 16541273143. The reversal of 16541273056 is 65037214561.

It is a super-2 number, since 2×16541273056² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278041 + ... + 332248.

It is an arithmetic number, because the mean of its divisors is an integer number (568179990).

Almost surely, 2^16541273056 is an apocalyptic number.

16541273056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16541273056 is an abundant number, since it is smaller than the sum of its proper divisors (24367686224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16541273056 is a wasteful number, since it uses less digits than its factorization.

16541273056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610328 (or 610309 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 16541273056 in words is "sixteen billion, five hundred forty-one million, two hundred seventy-three thousand, fifty-six".