2061996816 has 60 divisors (see below), whose sum is σ = 5855121776. Its totient is φ = 624845760.

The previous prime is 2061996809. The next prime is 2061996829. The reversal of 2061996816 is 6186991602.

2061996816 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171706 + ... + 183321.

Almost surely, 2^2061996816 is an apocalyptic number.

It is an amenable number.

2061996816 is an abundant number, since it is smaller than the sum of its proper divisors (3793124960).

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

2061996816 is a wasteful number, since it uses less digits than its factorization.

2061996816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355060 (or 355043 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 2061996816 is about 45409.2151000213. The cubic root of 2061996816 is about 1272.8073174914.

The spelling of 2061996816 in words is "two billion, sixty-one million, nine hundred ninety-six thousand, eight hundred sixteen".