16556015753137 has 12 divisors (see below), whose sum is σ = 19265330655156. Its totient is φ = 14186234492640.

The previous prime is 16556015753119. The next prime is 16556015753143. The reversal of 16556015753137 is 73135751065561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10442146307761 + 6113869445376 = 3231431^2 + 2472624^2 .

It is not a de Polignac number, because 16556015753137 - 2¹¹ = 16556015751089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16556015733137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55040778 + ... + 55340755.

It is an arithmetic number, because the mean of its divisors is an integer number (1605444221263).

Almost surely, 2^{16556015753137} is an apocalyptic number.

It is an amenable number.

16556015753137 is a deficient number, since it is larger than the sum of its proper divisors (2709314902019).

16556015753137 is a wasteful number, since it uses less digits than its factorization.

16556015753137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110384608 (or 110384601 counting only the distinct ones).

The product of its (nonzero) digits is 9922500, while the sum is 55.

The spelling of 16556015753137 in words is "sixteen trillion, five hundred fifty-six billion, fifteen million, seven hundred fifty-three thousand, one hundred thirty-seven".