2115662416 has 80 divisors (see below), whose sum is σ = 4803264000. Its totient is φ = 902358912.

The previous prime is 2115662411. The next prime is 2115662459. The reversal of 2115662416 is 6142665112.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115662411) 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, 1310826 + ... + 1312438.

It is an arithmetic number, because the mean of its divisors is an integer number (60040800).

Almost surely, 2^2115662416 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 2115662416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2401632000).

2115662416 is an abundant number, since it is smaller than the sum of its proper divisors (2687601584).

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

2115662416 is a wasteful number, since it uses less digits than its factorization.

2115662416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881 (or 1861 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 2115662416 is about 45996.3304623314. The cubic root of 2115662416 is about 1283.7549277840.

The spelling of 2115662416 in words is "two billion, one hundred fifteen million, six hundred sixty-two thousand, four hundred sixteen".