16502035012 has 6 divisors (see below), whose sum is σ = 28878561278. Its totient is φ = 8251017504.

The previous prime is 16502034977. The next prime is 16502035013. The reversal of 16502035012 is 21053020561.

It can be written as a sum of positive squares in only one way, i.e., 16102594816 + 399440196 = 126896^2 + 19986^2 .

It is not an unprimeable number, because it can be changed into a prime (16502035013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062754373 + ... + 2062754380.

Almost surely, 2^16502035012 is an apocalyptic number.

It is an amenable number.

16502035012 is a deficient number, since it is larger than the sum of its proper divisors (12376526266).

16502035012 is a wasteful number, since it uses less digits than its factorization.

16502035012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125508757 (or 4125508755 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 16502035012 its reverse (21053020561), we get a palindrome (37555055573).

The spelling of 16502035012 in words is "sixteen billion, five hundred two million, thirty-five thousand, twelve".