2016016020997 has 16 divisors (see below), whose sum is σ = 2212278456960. Its totient is φ = 1821949905600.

The previous prime is 2016016020937. The next prime is 2016016021007. The reversal of 2016016020997 is 7990206106102.

It is a happy number.

It is not a de Polignac number, because 2016016020997 - 2¹¹ = 2016016018949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016016020937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486079 + ... + 2065987.

It is an arithmetic number, because the mean of its divisors is an integer number (138267403560).

Almost surely, 2^{2016016020997} is an apocalyptic number.

It is an amenable number.

2016016020997 is a deficient number, since it is larger than the sum of its proper divisors (196262435963).

2016016020997 is a wasteful number, since it uses less digits than its factorization.

2016016020997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580604.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 2016016020997 in words is "two trillion, sixteen billion, sixteen million, twenty thousand, nine hundred ninety-seven".