1006611656 has 16 divisors (see below), whose sum is σ = 1888369200. Its totient is φ = 503046544.

The previous prime is 1006611653. The next prime is 1006611679. The reversal of 1006611656 is 6561166001.

It is not an unprimeable number, because it can be changed into a prime (1006611653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15386 + ... + 47433.

It is an arithmetic number, because the mean of its divisors is an integer number (118023075).

Almost surely, 2^1006611656 is an apocalyptic number.

It is an amenable number.

1006611656 is a deficient number, since it is larger than the sum of its proper divisors (881757544).

1006611656 is a wasteful number, since it uses less digits than its factorization.

1006611656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64828 (or 64824 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1006611656 is about 31727.1438361539. The cubic root of 1006611656 is about 1002.1990459854.

Adding to 1006611656 its reverse (6561166001), we get a palindrome (7567777657).

The spelling of 1006611656 in words is "one billion, six million, six hundred eleven thousand, six hundred fifty-six".