2616016420 has 24 divisors (see below), whose sum is σ = 5509950264. Its totient is φ = 1043298816.

The previous prime is 2616016391. The next prime is 2616016433. The reversal of 2616016420 is 246106162.

It can be written as a sum of positive squares in 4 ways, for example, as 813504484 + 1802511936 = 28522^2 + 42456^2 .

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, 187327 + ... + 200806.

It is an arithmetic number, because the mean of its divisors is an integer number (229581261).

Almost surely, 2^2616016420 is an apocalyptic number.

2616016420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2616016420 is an abundant number, since it is smaller than the sum of its proper divisors (2893933844).

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

2616016420 is a wasteful number, since it uses less digits than its factorization.

2616016420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388479 (or 388477 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2616016420 is about 51147.0079281281. The cubic root of 2616016420 is about 1377.8866377787.

The spelling of 2616016420 in words is "two billion, six hundred sixteen million, sixteen thousand, four hundred twenty".