16553733735494 has 16 divisors (see below), whose sum is σ = 25026965150208. Its totient is φ = 8211416435712.

The previous prime is 16553733735457. The next prime is 16553733735571. The reversal of 16553733735494 is 49453733735561.

16553733735494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16553733735494² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16553733735494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6509702 + ... + 8688134.

It is an arithmetic number, because the mean of its divisors is an integer number (1564185321888).

Almost surely, 2^{16553733735494} is an apocalyptic number.

16553733735494 is a deficient number, since it is larger than the sum of its proper divisors (8473231414714).

16553733735494 is a wasteful number, since it uses less digits than its factorization.

16553733735494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208479.

The product of its digits is 428652000, while the sum is 65.

The spelling of 16553733735494 in words is "sixteen trillion, five hundred fifty-three billion, seven hundred thirty-three million, seven hundred thirty-five thousand, four hundred ninety-four".