82616555555 has 16 divisors (see below), whose sum is σ = 101228745600. Its totient is φ = 64706049408.

The previous prime is 82616555531. The next prime is 82616555561. The reversal of 82616555555 is 55555561628.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82616555555 - 2³⁰ = 81542813731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 82616555497 and 82616555506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213980 + ... + 459369.

It is an arithmetic number, because the mean of its divisors is an integer number (6326796600).

Almost surely, 2^82616555555 is an apocalyptic number.

82616555555 is a deficient number, since it is larger than the sum of its proper divisors (18612190045).

82616555555 is a wasteful number, since it uses less digits than its factorization.

82616555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673870.

The product of its digits is 9000000, while the sum is 53.

The spelling of 82616555555 in words is "eighty-two billion, six hundred sixteen million, five hundred fifty-five thousand, five hundred fifty-five".