1046566566 has 24 divisors (see below), whose sum is σ = 2277302040. Its totient is φ = 347356896.

The previous prime is 1046566559. The next prime is 1046566583. The reversal of 1046566566 is 6656656401.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120576 + ... + 128963.

It is an arithmetic number, because the mean of its divisors is an integer number (94887585).

Almost surely, 2^1046566566 is an apocalyptic number.

1046566566 is an abundant number, since it is smaller than the sum of its proper divisors (1230735474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1046566566 is a wasteful number, since it uses less digits than its factorization.

1046566566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249780 (or 249777 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 1046566566 is about 32350.6810747471. The cubic root of 1046566566 is about 1015.2872963493.

The spelling of 1046566566 in words is "one billion, forty-six million, five hundred sixty-six thousand, five hundred sixty-six".