16555515151560 has 128 divisors (see below), whose sum is σ = 61921926835200. Its totient is φ = 3440107042560.

The previous prime is 16555515151543. The next prime is 16555515151561. The reversal of 16555515151560 is 6515151555561.

It is not an unprimeable number, because it can be changed into a prime (16555515151561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 895851970 + ... + 895870449.

It is an arithmetic number, because the mean of its divisors is an integer number (483765053400).

Almost surely, 2^{16555515151560} is an apocalyptic number.

16555515151560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16555515151560 is an abundant number, since it is smaller than the sum of its proper divisors (45366411683640).

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

16555515151560 is a wasteful number, since it uses less digits than its factorization.

16555515151560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791722451 (or 1791722447 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 51.

The spelling of 16555515151560 in words is "sixteen trillion, five hundred fifty-five billion, five hundred fifteen million, one hundred fifty-one thousand, five hundred sixty".