1045938566 has 16 divisors (see below), whose sum is σ = 1661796000. Its totient is φ = 492028800.

The previous prime is 1045938557. The next prime is 1045938587. The reversal of 1045938566 is 6658395401.

It is a happy number.

It is a super-2 number, since 2×1045938566² = 2187974967692272712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1045938566.

It is a congruent number.

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, 179060 + ... + 184808.

It is an arithmetic number, because the mean of its divisors is an integer number (103862250).

Almost surely, 2^1045938566 is an apocalyptic number.

1045938566 is a deficient number, since it is larger than the sum of its proper divisors (615857434).

1045938566 is a wasteful number, since it uses less digits than its factorization.

1045938566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 1045938566 is about 32340.9734856575. The cubic root of 1045938566 is about 1015.0841788355.

The spelling of 1045938566 in words is "one billion, forty-five million, nine hundred thirty-eight thousand, five hundred sixty-six".