9147767942066 has 16 divisors (see below), whose sum is σ = 14777243668824. Its totient is φ = 4222023865344.

The previous prime is 9147767942023. The next prime is 9147767942087. The reversal of 9147767942066 is 6602497677419.

9147767942066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1094176668841 + 8053591273225 = 1046029^2 + 2837885^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9147767941987 and 9147767942005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4533266 + ... + 6232658.

Almost surely, 2^{9147767942066} is an apocalyptic number.

9147767942066 is a deficient number, since it is larger than the sum of its proper divisors (5629475726758).

9147767942066 is a wasteful number, since it uses less digits than its factorization.

9147767942066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906445.

The product of its (nonzero) digits is 192036096, while the sum is 68.

The spelling of 9147767942066 in words is "nine trillion, one hundred forty-seven billion, seven hundred sixty-seven million, nine hundred forty-two thousand, sixty-six".