1501499668 has 12 divisors (see below), whose sum is σ = 2627988832. Its totient is φ = 750645720.

The previous prime is 1501499651. The next prime is 1501499669. The reversal of 1501499668 is 8669941051.

It is a super-2 number, since 2×1501499668² = 4509002506008220448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501499669) 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, 12883 + ... + 56293.

Almost surely, 2^1501499668 is an apocalyptic number.

It is an amenable number.

1501499668 is a deficient number, since it is larger than the sum of its proper divisors (1126489164).

1501499668 is a wasteful number, since it uses less digits than its factorization.

1501499668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52062 (or 52060 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 1501499668 is about 38749.1892560348. The cubic root of 1501499668 is about 1145.0956024494.

The spelling of 1501499668 in words is "one billion, five hundred one million, four hundred ninety-nine thousand, six hundred sixty-eight".