1066765946 has 16 divisors (see below), whose sum is σ = 1694981376. Its totient is φ = 501798336.

The previous prime is 1066765943. The next prime is 1066765949. The reversal of 1066765946 is 6495676601.

It is an interprime number because it is at equal distance from previous prime (1066765943) and next prime (1066765949).

It is a super-2 number, since 2×1066765946² = 2275979167090549832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066765894 and 1066765903.

It is not an unprimeable number, because it can be changed into a prime (1066765943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102725 + ... + 112631.

It is an arithmetic number, because the mean of its divisors is an integer number (105936336).

Almost surely, 2^1066765946 is an apocalyptic number.

1066765946 is a deficient number, since it is larger than the sum of its proper divisors (628215430).

1066765946 is a wasteful number, since it uses less digits than its factorization.

1066765946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13093.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 1066765946 is about 32661.3830999240. The cubic root of 1066765946 is about 1021.7776083286. Note that the first 3 decimals are identical.

The spelling of 1066765946 in words is "one billion, sixty-six million, seven hundred sixty-five thousand, nine hundred forty-six".