16155561052 has 6 divisors (see below), whose sum is σ = 28272231848. Its totient is φ = 8077780524.

The previous prime is 16155561047. The next prime is 16155561083. The reversal of 16155561052 is 25016555161.

16155561052 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 2×16155561052² (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 as a sum of consecutive naturals, namely, 2019445128 + ... + 2019445135.

Almost surely, 2^16155561052 is an apocalyptic number.

It is an amenable number.

16155561052 is a deficient number, since it is larger than the sum of its proper divisors (12116670796).

16155561052 is a wasteful number, since it uses less digits than its factorization.

16155561052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038890267 (or 4038890265 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 16155561052 in words is "sixteen billion, one hundred fifty-five million, five hundred sixty-one thousand, fifty-two".