2116471520 has 24 divisors (see below), whose sum is σ = 5000164344. Its totient is φ = 846588544.

The previous prime is 2116471519. The next prime is 2116471529. The reversal of 2116471520 is 251746112.

It is a super-2 number, since 2×2116471520² = 8958903389942220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116471529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6613814 + ... + 6614133.

It is an arithmetic number, because the mean of its divisors is an integer number (208340181).

Almost surely, 2^2116471520 is an apocalyptic number.

2116471520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116471520 is an abundant number, since it is smaller than the sum of its proper divisors (2883692824).

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

2116471520 is a wasteful number, since it uses less digits than its factorization.

2116471520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227962 (or 13227954 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2116471520 is about 46005.1249319030. The cubic root of 2116471520 is about 1283.9185579953.

The spelling of 2116471520 in words is "two billion, one hundred sixteen million, four hundred seventy-one thousand, five hundred twenty".