1061000666 has 16 divisors (see below), whose sum is σ = 1736779968. Its totient is φ = 482107200.

The previous prime is 1061000663. The next prime is 1061000711. The reversal of 1061000666 is 6660001601.

It is a super-2 number, since 2×1061000666² = 2251444826504887112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061000663) 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, 76331 + ... + 89153.

It is an arithmetic number, because the mean of its divisors is an integer number (108548748).

Almost surely, 2^1061000666 is an apocalyptic number.

1061000666 is a deficient number, since it is larger than the sum of its proper divisors (675779302).

1061000666 is a wasteful number, since it uses less digits than its factorization.

1061000666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16597.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1061000666 is about 32573.0051729956. The cubic root of 1061000666 is about 1019.9335680174.

The spelling of 1061000666 in words is "one billion, sixty-one million, six hundred sixty-six", and thus it is an aban number.