2133661416 has 32 divisors (see below), whose sum is σ = 5421602400. Its totient is φ = 699560640.

The previous prime is 2133661379. The next prime is 2133661423. The reversal of 2133661416 is 6141663312.

It is a super-2 number, since 2×2133661416² = 9105022076254250112, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 727246 + ... + 730173.

It is an arithmetic number, because the mean of its divisors is an integer number (169425075).

Almost surely, 2^2133661416 is an apocalyptic number.

It is an amenable number.

2133661416 is an abundant number, since it is smaller than the sum of its proper divisors (3287940984).

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

2133661416 is a wasteful number, since it uses less digits than its factorization.

2133661416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457489 (or 1457485 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 2133661416 is about 46191.5729976800. The cubic root of 2133661416 is about 1287.3851678274.

The spelling of 2133661416 in words is "two billion, one hundred thirty-three million, six hundred sixty-one thousand, four hundred sixteen".