16813414445 has 16 divisors (see below), whose sum is σ = 20520197040. Its totient is φ = 13221619200.

The previous prime is 16813414433. The next prime is 16813414451. The reversal of 16813414445 is 54441431861.

It can be written as a sum of positive squares in 8 ways, for example, as 1517414116 + 15296000329 = 38954^2 + 123677^2 .

It is not a de Polignac number, because 16813414445 - 2⁶ = 16813414381 is a prime.

It is a congruent number.

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, 473615 + ... + 507875.

It is an arithmetic number, because the mean of its divisors is an integer number (1282512315).

Almost surely, 2^16813414445 is an apocalyptic number.

It is an amenable number.

16813414445 is a deficient number, since it is larger than the sum of its proper divisors (3706782595).

16813414445 is a wasteful number, since it uses less digits than its factorization.

16813414445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35936.

The product of its digits is 184320, while the sum is 41.

The spelling of 16813414445 in words is "sixteen billion, eight hundred thirteen million, four hundred fourteen thousand, four hundred forty-five".