82516069211290 has 64 divisors (see below), whose sum is σ = 175540403646720. Its totient is φ = 27531846973440.

The previous prime is 82516069211203. The next prime is 82516069211321. The reversal of 82516069211290 is 9211296061528.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172526295 + ... + 173003914.

It is an arithmetic number, because the mean of its divisors is an integer number (2742818806980).

Almost surely, 2^{82516069211290} is an apocalyptic number.

82516069211290 is an abundant number, since it is smaller than the sum of its proper divisors (93024334435430).

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

82516069211290 is a wasteful number, since it uses less digits than its factorization.

82516069211290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345530407.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 82516069211290 in words is "eighty-two trillion, five hundred sixteen billion, sixty-nine million, two hundred eleven thousand, two hundred ninety".