16750553 has 2 divisors, whose sum is σ = 16750554. Its totient is φ = 16750552.

The previous prime is 16750541. The next prime is 16750561. The reversal of 16750553 is 35505761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16711744 + 38809 = 4088^2 + 197^2 .

It is an emirp because it is prime and its reverse (35505761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16750553 - 2⁴ = 16750537 is a prime.

It is not a weakly prime, because it can be changed into another prime (16750523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8375276 + 8375277.

It is an arithmetic number, because the mean of its divisors is an integer number (8375277).

Almost surely, 2^16750553 is an apocalyptic number.

It is an amenable number.

16750553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16750553 is an equidigital number, since it uses as much as digits as its factorization.

16750553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 16750553 is about 4092.7439450813. The cubic root of 16750553 is about 255.8643130640.

The spelling of 16750553 in words is "sixteen million, seven hundred fifty thousand, five hundred fifty-three".