2151348416 has 168 divisors, whose sum is σ = 5326928640. Its totient is φ = 842088960.

The previous prime is 2151348413. The next prime is 2151348421. The reversal of 2151348416 is 6148431512.

It is not an unprimeable number, because it can be changed into a prime (2151348413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8179901 + ... + 8180163.

Almost surely, 2^2151348416 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 2151348416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663464320).

2151348416 is an abundant number, since it is smaller than the sum of its proper divisors (3175580224).

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

2151348416 is a wasteful number, since it uses less digits than its factorization.

2151348416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 322 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 2151348416 is about 46382.6305420467. The cubic root of 2151348416 is about 1290.9326460653.

Adding to 2151348416 its reverse (6148431512), we get a palindrome (8299779928).

The spelling of 2151348416 in words is "two billion, one hundred fifty-one million, three hundred forty-eight thousand, four hundred sixteen".