999796066 has 32 divisors (see below), whose sum is σ = 1568056320. Its totient is φ = 477576000.

The previous prime is 999796009. The next prime is 999796067. The reversal of 999796066 is 660697999.

It is a junction number, because it is equal to n+sod(n) for n = 999795995 and 999796013.

It is not an unprimeable number, because it can be changed into a prime (999796067) 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, 2518180 + ... + 2518576.

It is an arithmetic number, because the mean of its divisors is an integer number (49001760).

Almost surely, 2^999796066 is an apocalyptic number.

999796066 is a deficient number, since it is larger than the sum of its proper divisors (568260254).

999796066 is a wasteful number, since it uses less digits than its factorization.

999796066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 9920232, while the sum is 61.

The square root of 999796066 is about 31619.5519576100. The cubic root of 999796066 is about 999.9320173785.

The spelling of 999796066 in words is "nine hundred ninety-nine million, seven hundred ninety-six thousand, sixty-six".