2148297616 has 80 divisors (see below), whose sum is σ = 4507747200. Its totient is φ = 988104704.

The previous prime is 2148297611. The next prime is 2148297617. The reversal of 2148297616 is 6167928412.

It is a super-2 number, since 2×2148297616² = 9230365293822566912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148297611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4220370 + ... + 4220878.

It is an arithmetic number, because the mean of its divisors is an integer number (56346840).

Almost surely, 2^2148297616 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 2148297616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253873600).

2148297616 is an abundant number, since it is smaller than the sum of its proper divisors (2359449584).

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

2148297616 is a wasteful number, since it uses less digits than its factorization.

2148297616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 850 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 2148297616 is about 46349.7315634082. The cubic root of 2148297616 is about 1290.3221389666.

The spelling of 2148297616 in words is "two billion, one hundred forty-eight million, two hundred ninety-seven thousand, six hundred sixteen".