16553059842 has 32 divisors (see below), whose sum is σ = 37686021120. Its totient is φ = 4797987920.

The previous prime is 16553059841. The next prime is 16553059867. The reversal of 16553059842 is 24895035561.

It is a junction number, because it is equal to n+sod(n) for n = 16553059791 and 16553059800.

It is not an unprimeable number, because it can be changed into a prime (16553059841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5450742 + ... + 5453777.

It is an arithmetic number, because the mean of its divisors is an integer number (1177688160).

Almost surely, 2^16553059842 is an apocalyptic number.

16553059842 is an abundant number, since it is smaller than the sum of its proper divisors (21132961278).

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

16553059842 is a wasteful number, since it uses less digits than its factorization.

16553059842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904558.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 16553059842 in words is "sixteen billion, five hundred fifty-three million, fifty-nine thousand, eight hundred forty-two".