16503369748 has 6 divisors (see below), whose sum is σ = 28880897066. Its totient is φ = 8251684872.

The previous prime is 16503369739. The next prime is 16503369749. The reversal of 16503369748 is 84796330561.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14801642244 + 1701727504 = 121662^2 + 41252^2 .

It is a super-2 number, since 2×16503369748² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16503369695 and 16503369704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16503369749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062921215 + ... + 2062921222.

Almost surely, 2^16503369748 is an apocalyptic number.

It is an amenable number.

16503369748 is a deficient number, since it is larger than the sum of its proper divisors (12377527318).

16503369748 is a wasteful number, since it uses less digits than its factorization.

16503369748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125842441 (or 4125842439 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 16503369748 in words is "sixteen billion, five hundred three million, three hundred sixty-nine thousand, seven hundred forty-eight".