81066796 has 6 divisors (see below), whose sum is σ = 141866900. Its totient is φ = 40533396.

The previous prime is 81066763. The next prime is 81066841. The reversal of 81066796 is 69766018.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10133346 + ... + 10133353.

Almost surely, 2^81066796 is an apocalyptic number.

It is an amenable number.

81066796 is a deficient number, since it is larger than the sum of its proper divisors (60800104).

81066796 is a wasteful number, since it uses less digits than its factorization.

81066796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20266703 (or 20266701 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 81066796 is about 9003.7101241655. The cubic root of 81066796 is about 432.7937723680.

The spelling of 81066796 in words is "eighty-one million, sixty-six thousand, seven hundred ninety-six".