2051030016 has 132 divisors (see below), whose sum is σ = 6768561072. Its totient is φ = 585990144.

The previous prime is 2051030011. The next prime is 2051030021. The reversal of 2051030016 is 6100301502.

It is an interprime number because it is at equal distance from previous prime (2051030011) and next prime (2051030021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051030011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48616 + ... + 80408.

Almost surely, 2^2051030016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051030016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3384280536).

2051030016 is an abundant number, since it is smaller than the sum of its proper divisors (4717531056).

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

2051030016 is a wasteful number, since it uses less digits than its factorization.

2051030016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31826 (or 31805 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2051030016 is about 45288.2988861361. The cubic root of 2051030016 is about 1270.5468155948.

Adding to 2051030016 its reverse (6100301502), we get a palindrome (8151331518).

The spelling of 2051030016 in words is "two billion, fifty-one million, thirty thousand, sixteen".