16155510452 has 12 divisors (see below), whose sum is σ = 28277269860. Its totient is φ = 8076290496.

The previous prime is 16155510439. The next prime is 16155510463. The reversal of 16155510452 is 25401555161.

16155510452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14516394256 + 1639116196 = 120484^2 + 40486^2 .

It is a super-2 number, since 2×16155510452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341177 + ... + 385632.

It is an arithmetic number, because the mean of its divisors is an integer number (2356439155).

Almost surely, 2^16155510452 is an apocalyptic number.

It is an amenable number.

16155510452 is a deficient number, since it is larger than the sum of its proper divisors (12121759408).

16155510452 is a wasteful number, since it uses less digits than its factorization.

16155510452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732370 (or 732368 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 16155510452 in words is "sixteen billion, one hundred fifty-five million, five hundred ten thousand, four hundred fifty-two".