16105553232 has 20 divisors (see below), whose sum is σ = 41606012640. Its totient is φ = 5368517728.

The previous prime is 16105553231. The next prime is 16105553237. The reversal of 16105553232 is 23235550161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16105553193 and 16105553202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16105553231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167766132 + ... + 167766227.

It is an arithmetic number, because the mean of its divisors is an integer number (2080300632).

Almost surely, 2^16105553232 is an apocalyptic number.

16105553232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16105553232 is an abundant number, since it is smaller than the sum of its proper divisors (25500459408).

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

16105553232 is a wasteful number, since it uses less digits than its factorization.

16105553232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335532370 (or 335532364 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 16105553232 in words is "sixteen billion, one hundred five million, five hundred fifty-three thousand, two hundred thirty-two".