1054535666 has 8 divisors (see below), whose sum is σ = 1584585180. Its totient is φ = 526340608.

The previous prime is 1054535659. The next prime is 1054535689. The reversal of 1054535666 is 6665354501.

It can be written as a sum of positive squares in 2 ways, for example, as 1030731025 + 23804641 = 32105^2 + 4879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1054535666² = 2224090941732127112, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462191 + ... + 464466.

Almost surely, 2^1054535666 is an apocalyptic number.

1054535666 is a deficient number, since it is larger than the sum of its proper divisors (530049514).

1054535666 is an equidigital number, since it uses as much as digits as its factorization.

1054535666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927228.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 1054535666 is about 32473.6149204242. The cubic root of 1054535666 is about 1017.8577575519.

The spelling of 1054535666 in words is "one billion, fifty-four million, five hundred thirty-five thousand, six hundred sixty-six".