16061516055 has 64 divisors (see below), whose sum is σ = 32087301120. Its totient is φ = 7563397248.

The previous prime is 16061516039. The next prime is 16061516087. The reversal of 16061516055 is 55061516061.

It is not a de Polignac number, because 16061516055 - 2⁴ = 16061516039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158589 + ... + 239318.

It is an arithmetic number, because the mean of its divisors is an integer number (501364080).

Almost surely, 2^16061516055 is an apocalyptic number.

16061516055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16061516055 is a deficient number, since it is larger than the sum of its proper divisors (16025785065).

16061516055 is a wasteful number, since it uses less digits than its factorization.

16061516055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397957 (or 397951 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 16061516055 in words is "sixteen billion, sixty-one million, five hundred sixteen thousand, fifty-five".