16555235737064 has 32 divisors (see below), whose sum is σ = 31147938045000. Its totient is φ = 8249120612352.

The previous prime is 16555235737043. The next prime is 16555235737093. The reversal of 16555235737064 is 46073753255561.

It can be written as a sum of positive squares in 4 ways, for example, as 16311340012900 + 243895724164 = 4038730^2 + 493858^2 .

It is a super-2 number, since 2×16555235737064² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16555235736994 and 16555235737012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98009672 + ... + 98178440.

Almost surely, 2^{16555235737064} is an apocalyptic number.

It is an amenable number.

16555235737064 is a deficient number, since it is larger than the sum of its proper divisors (14592702307936).

16555235737064 is a wasteful number, since it uses less digits than its factorization.

16555235737064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210917 (or 210913 counting only the distinct ones).

The product of its (nonzero) digits is 79380000, while the sum is 59.

The spelling of 16555235737064 in words is "sixteen trillion, five hundred fifty-five billion, two hundred thirty-five million, seven hundred thirty-seven thousand, sixty-four".