16155561050 has 24 divisors (see below), whose sum is σ = 30346871292. Its totient is φ = 6398240000.

The previous prime is 16155561047. The next prime is 16155561083. The reversal of 16155561050 is 5016555161.

16155561050 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 6 ways, for example, as 4605115321 + 11550445729 = 67861^2 + 107473^2 .

It is a super-2 number, since 2×16155561050² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16155561050.

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 11 ways as a sum of consecutive naturals, for example, 1594511 + ... + 1604610.

Almost surely, 2^16155561050 is an apocalyptic number.

16155561050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16155561050 is a deficient number, since it is larger than the sum of its proper divisors (14191310242).

16155561050 is a wasteful number, since it uses less digits than its factorization.

16155561050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199234 (or 3199229 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 16155561050 in words is "sixteen billion, one hundred fifty-five million, five hundred sixty-one thousand, fifty".