966505272099 has 32 divisors (see below), whose sum is σ = 1322455292928. Its totient is φ = 627534432000.

The previous prime is 966505272097. The next prime is 966505272137. The reversal of 966505272099 is 990272505669.

It is a Cunningham number, because it is equal to 983110²-1.

It is not a de Polignac number, because 966505272099 - 2¹ = 966505272097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (966505272097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126817509 + ... + 126825129.

It is an arithmetic number, because the mean of its divisors is an integer number (41326727904).

Almost surely, 2^966505272099 is an apocalyptic number.

966505272099 is a deficient number, since it is larger than the sum of its proper divisors (355950020829).

966505272099 is a wasteful number, since it uses less digits than its factorization.

966505272099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10379.

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 966505272099 in words is "nine hundred sixty-six billion, five hundred five million, two hundred seventy-two thousand, ninety-nine".