12016649165402 has 16 divisors (see below), whose sum is σ = 20604042064320. Its totient is φ = 5148974482848.

The previous prime is 12016649165357. The next prime is 12016649165441. The reversal of 12016649165402 is 20456194661021.

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, 84761363 + ... + 84903014.

It is an arithmetic number, because the mean of its divisors is an integer number (1287752629020).

Almost surely, 2^{12016649165402} is an apocalyptic number.

12016649165402 is a deficient number, since it is larger than the sum of its proper divisors (8587392898918).

12016649165402 is a wasteful number, since it uses less digits than its factorization.

12016649165402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169669445.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 12016649165402 in words is "twelve trillion, sixteen billion, six hundred forty-nine million, one hundred sixty-five thousand, four hundred two".