1000616668 has 12 divisors (see below), whose sum is σ = 1854083952. Its totient is φ = 470878400.

The previous prime is 1000616653. The next prime is 1000616671. The reversal of 1000616668 is 8666160001.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7357408 + ... + 7357543.

It is an arithmetic number, because the mean of its divisors is an integer number (154506996).

Almost surely, 2^1000616668 is an apocalyptic number.

It is an amenable number.

1000616668 is a deficient number, since it is larger than the sum of its proper divisors (853467284).

1000616668 is a wasteful number, since it uses less digits than its factorization.

1000616668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14714972 (or 14714970 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1000616668 is about 31632.5254761614. The cubic root of 1000616668 is about 1000.2055137612.

Adding to 1000616668 its reverse (8666160001), we get a palindrome (9666776669).

The spelling of 1000616668 in words is "one billion, six hundred sixteen thousand, six hundred sixty-eight".