1060021666 has 16 divisors (see below), whose sum is σ = 1825875360. Its totient is φ = 456468480.

The previous prime is 1060021663. The next prime is 1060021679. The reversal of 1060021666 is 6661200601.

It is a super-2 number, since 2×1060021666² = 2247291864778831112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1060021663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267551 + ... + 1268386.

It is an arithmetic number, because the mean of its divisors is an integer number (114117210).

Almost surely, 2^1060021666 is an apocalyptic number.

1060021666 is a deficient number, since it is larger than the sum of its proper divisors (765853694).

1060021666 is a wasteful number, since it uses less digits than its factorization.

1060021666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535969.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1060021666 is about 32557.9739234492. The cubic root of 1060021666 is about 1019.6197692087.

The spelling of 1060021666 in words is "one billion, sixty million, twenty-one thousand, six hundred sixty-six".