2016131777850 has 48 divisors (see below), whose sum is σ = 5135142142368. Its totient is φ = 523104459840.

The previous prime is 2016131777839. The next prime is 2016131777879. The reversal of 2016131777850 is 587771316102.

It is a self number, because there is not a number n which added to its sum of digits gives 2016131777850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181627944 + ... + 181639043.

It is an arithmetic number, because the mean of its divisors is an integer number (106982127966).

Almost surely, 2^{2016131777850} is an apocalyptic number.

2016131777850 is an abundant number, since it is smaller than the sum of its proper divisors (3119010364518).

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

2016131777850 is a wasteful number, since it uses less digits than its factorization.

2016131777850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363267039 (or 363267034 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 2016131777850 in words is "two trillion, sixteen billion, one hundred thirty-one million, seven hundred seventy-seven thousand, eight hundred fifty".