1066486004 has 6 divisors (see below), whose sum is σ = 1866350514. Its totient is φ = 533243000.

The previous prime is 1066485983. The next prime is 1066486009. The reversal of 1066486004 is 4006846601.

It can be written as a sum of positive squares in only one way, i.e., 820937104 + 245548900 = 28652^2 + 15670^2 .

It is a super-2 number, since 2×1066486004² = 2274784793455776032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066486009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133310747 + ... + 133310754.

It is an arithmetic number, because the mean of its divisors is an integer number (311058419).

Almost surely, 2^1066486004 is an apocalyptic number.

It is an amenable number.

1066486004 is a deficient number, since it is larger than the sum of its proper divisors (799864510).

1066486004 is a wasteful number, since it uses less digits than its factorization.

1066486004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266621505 (or 266621503 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1066486004 is about 32657.0972990558. The cubic root of 1066486004 is about 1021.6882218071.

The spelling of 1066486004 in words is "one billion, sixty-six million, four hundred eighty-six thousand, four".