2151716052 has 24 divisors (see below), whose sum is σ = 5040213696. Its totient is φ = 714446848.

The previous prime is 2151716051. The next prime is 2151716183. The reversal of 2151716052 is 2506171512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151716051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345768 + ... + 351935.

It is an arithmetic number, because the mean of its divisors is an integer number (210008904).

Almost surely, 2^2151716052 is an apocalyptic number.

It is an amenable number.

2151716052 is an abundant number, since it is smaller than the sum of its proper divisors (2888497644).

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

2151716052 is a wasteful number, since it uses less digits than its factorization.

2151716052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697967 (or 697965 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 2151716052 is about 46386.5934511255. The cubic root of 2151716052 is about 1291.0061761173.

Adding to 2151716052 its reverse (2506171512), we get a palindrome (4657887564).

The spelling of 2151716052 in words is "two billion, one hundred fifty-one million, seven hundred sixteen thousand, fifty-two".