1066166504 has 32 divisors (see below), whose sum is σ = 2174172840. Its totient is φ = 487200000.

The previous prime is 1066166503. The next prime is 1066166567. The reversal of 1066166504 is 4056616601.

It can be written as a sum of positive squares in 4 ways, for example, as 998433604 + 67732900 = 31598^2 + 8230^2 .

It is a super-2 number, since 2×1066166504² = 2273422028503164032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066166503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40247 + ... + 61254.

Almost surely, 2^1066166504 is an apocalyptic number.

It is an amenable number.

1066166504 is an abundant number, since it is smaller than the sum of its proper divisors (1108006336).

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

1066166504 is a wasteful number, since it uses less digits than its factorization.

1066166504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101621 (or 101617 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1066166504 is about 32652.2051935241. The cubic root of 1066166504 is about 1021.5861851532.

The spelling of 1066166504 in words is "one billion, sixty-six million, one hundred sixty-six thousand, five hundred four".