1500131663 has 24 divisors (see below), whose sum is σ = 1668144672. Its totient is φ = 1347300864.

The previous prime is 1500131653. The next prime is 1500131671. The reversal of 1500131663 is 3661310051.

It is not a de Polignac number, because 1500131663 - 2¹² = 1500127567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500131653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565406 + ... + 568052.

It is an arithmetic number, because the mean of its divisors is an integer number (69506028).

Almost surely, 2^1500131663 is an apocalyptic number.

1500131663 is a deficient number, since it is larger than the sum of its proper divisors (168013009).

1500131663 is a wasteful number, since it uses less digits than its factorization.

1500131663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1500131663 is about 38731.5331867976. The cubic root of 1500131663 is about 1144.7477341315.

It can be divided in two parts, 15001 and 31663, that added together give a palindrome (46664).

The spelling of 1500131663 in words is "one billion, five hundred million, one hundred thirty-one thousand, six hundred sixty-three".