16500145933 has 2 divisors, whose sum is σ = 16500145934. Its totient is φ = 16500145932.

The previous prime is 16500145859. The next prime is 16500145993. The reversal of 16500145933 is 33954100561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15670533124 + 829612809 = 125182^2 + 28803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16500145933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16500145892 and 16500145901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16500145993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8250072966 + 8250072967.

It is an arithmetic number, because the mean of its divisors is an integer number (8250072967).

Almost surely, 2^16500145933 is an apocalyptic number.

It is an amenable number.

16500145933 is a deficient number, since it is larger than the sum of its proper divisors (1).

16500145933 is an equidigital number, since it uses as much as digits as its factorization.

16500145933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 16500145933 in words is "sixteen billion, five hundred million, one hundred forty-five thousand, nine hundred thirty-three".