2155602016 has 48 divisors (see below), whose sum is σ = 4401991440. Its totient is φ = 1037836800.

The previous prime is 2155602013. The next prime is 2155602017. The reversal of 2155602016 is 6102065512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155602013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365491 + ... + 371341.

It is an arithmetic number, because the mean of its divisors is an integer number (91708155).

Almost surely, 2^2155602016 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 2155602016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200995720).

2155602016 is an abundant number, since it is smaller than the sum of its proper divisors (2246389424).

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

2155602016 is a wasteful number, since it uses less digits than its factorization.

2155602016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287 (or 6279 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2155602016 is about 46428.4612710781. The cubic root of 2155602016 is about 1291.7828874090.

Adding to 2155602016 its reverse (6102065512), we get a palindrome (8257667528).

The spelling of 2155602016 in words is "two billion, one hundred fifty-five million, six hundred two thousand, sixteen".