904864721066 has 8 divisors (see below), whose sum is σ = 1377555247200. Its totient is φ = 445679638668.

The previous prime is 904864721023. The next prime is 904864721083. The reversal of 904864721066 is 660127468409.

904864721066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 904864720999 and 904864721017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376360766 + ... + 3376361033.

It is an arithmetic number, because the mean of its divisors is an integer number (172194405900).

Almost surely, 2^904864721066 is an apocalyptic number.

904864721066 is a deficient number, since it is larger than the sum of its proper divisors (472690526134).

904864721066 is a wasteful number, since it uses less digits than its factorization.

904864721066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752721868.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 904864721066 in words is "nine hundred four billion, eight hundred sixty-four million, seven hundred twenty-one thousand, sixty-six".