2616535081 has 16 divisors (see below), whose sum is σ = 2668145920. Its totient is φ = 2565613440.

The previous prime is 2616535021. The next prime is 2616535091. The reversal of 2616535081 is 1805356162.

2616535081 = 366² + 367² + ... + 1991².

2616535081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2616535081 - 2²⁷ = 2482317353 is a prime.

It is a super-2 number, since 2×2616535081² = 13692511660207353122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2616535081.

It is not an unprimeable number, because it can be changed into a prime (2616535021) 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, 8359381 + ... + 8359693.

It is an arithmetic number, because the mean of its divisors is an integer number (166759120).

Almost surely, 2^2616535081 is an apocalyptic number.

It is an amenable number.

2616535081 is a deficient number, since it is larger than the sum of its proper divisors (51610839).

2616535081 is a wasteful number, since it uses less digits than its factorization.

2616535081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2616535081 is about 51152.0779734313. The cubic root of 2616535081 is about 1377.9776933790.

The spelling of 2616535081 in words is "two billion, six hundred sixteen million, five hundred thirty-five thousand, eighty-one".