1066651004 has 6 divisors (see below), whose sum is σ = 1866639264. Its totient is φ = 533325500.

The previous prime is 1066650997. The next prime is 1066651021. The reversal of 1066651004 is 4001566601.

It is a super-2 number, since 2×1066651004² = 2275488728668416032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133331372 + ... + 133331379.

It is an arithmetic number, because the mean of its divisors is an integer number (311106544).

Almost surely, 2^1066651004 is an apocalyptic number.

It is an amenable number.

1066651004 is a deficient number, since it is larger than the sum of its proper divisors (799988260).

1066651004 is a wasteful number, since it uses less digits than its factorization.

1066651004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266662755 (or 266662753 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1066651004 is about 32659.6234515954. The cubic root of 1066651004 is about 1021.7409088131.

The spelling of 1066651004 in words is "one billion, sixty-six million, six hundred fifty-one thousand, four".