2051243016 has 32 divisors (see below), whose sum is σ = 5165008800. Its totient is φ = 678827520.

The previous prime is 2051242969. The next prime is 2051243027. The reversal of 2051243016 is 6103421502.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 304105 + ... + 310776.

It is an arithmetic number, because the mean of its divisors is an integer number (161406525).

Almost surely, 2^2051243016 is an apocalyptic number.

It is an amenable number.

2051243016 is an abundant number, since it is smaller than the sum of its proper divisors (3113765784).

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

2051243016 is a wasteful number, since it uses less digits than its factorization.

2051243016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615029 (or 615025 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2051243016 is about 45290.6504258881. The cubic root of 2051243016 is about 1270.5907962780.

Adding to 2051243016 its reverse (6103421502), we get a palindrome (8154664518).

The spelling of 2051243016 in words is "two billion, fifty-one million, two hundred forty-three thousand, sixteen".