19616044087016 has 32 divisors (see below), whose sum is σ = 39611430953640. Its totient is φ = 9053076258048.

The previous prime is 19616044087007. The next prime is 19616044087039. The reversal of 19616044087016 is 61078044061691.

It can be written as a sum of positive squares in 4 ways, for example, as 19488216386116 + 127827700900 = 4414546^2 + 357530^2 .

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, 3062291 + ... + 6972066.

Almost surely, 2^{19616044087016} is an apocalyptic number.

It is an amenable number.

19616044087016 is an abundant number, since it is smaller than the sum of its proper divisors (19995386866624).

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

19616044087016 is a wasteful number, since it uses less digits than its factorization.

19616044087016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053173 (or 10053169 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 19616044087016 in words is "nineteen trillion, six hundred sixteen billion, forty-four million, eighty-seven thousand, sixteen".