402161111616 has 56 divisors (see below), whose sum is σ = 1160783214624. Its totient is φ = 121867002880.

The previous prime is 402161111543. The next prime is 402161111701. The reversal of 402161111616 is 616111161204.

402161111616 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95206485 + ... + 95210708.

Almost surely, 2^402161111616 is an apocalyptic number.

It is an amenable number.

402161111616 is an abundant number, since it is smaller than the sum of its proper divisors (758622103008).

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

402161111616 is a wasteful number, since it uses less digits than its factorization.

402161111616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190417219 (or 190417209 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 402161111616 in words is "four hundred two billion, one hundred sixty-one million, one hundred eleven thousand, six hundred sixteen".