1002497668 has 24 divisors (see below), whose sum is σ = 1785580160. Its totient is φ = 492354720.

The previous prime is 1002497609. The next prime is 1002497669. The reversal of 1002497668 is 8667942001.

It is not an unprimeable number, because it can be changed into a prime (1002497669) 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, 207205 + ... + 211987.

Almost surely, 2^1002497668 is an apocalyptic number.

It is an amenable number.

1002497668 is a deficient number, since it is larger than the sum of its proper divisors (783082492).

1002497668 is a wasteful number, since it uses less digits than its factorization.

1002497668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707 (or 5705 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1002497668 is about 31662.2435718002. The cubic root of 1002497668 is about 1000.8318638107.

The spelling of 1002497668 in words is "one billion, two million, four hundred ninety-seven thousand, six hundred sixty-eight".