16650792953 has 4 divisors (see below), whose sum is σ = 17630251380. Its totient is φ = 15671334528.

The previous prime is 16650792889. The next prime is 16650792979. The reversal of 16650792953 is 35929705661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35929705661 = 113 ⋅317961997.

It can be written as a sum of positive squares in 2 ways, for example, as 10376885689 + 6273907264 = 101867^2 + 79208^2 .

It is a cyclic number.

It is not a de Polignac number, because 16650792953 - 2⁶ = 16650792889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16650792895 and 16650792904.

It is not an unprimeable number, because it can be changed into a prime (16650792553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489729188 + ... + 489729221.

It is an arithmetic number, because the mean of its divisors is an integer number (4407562845).

Almost surely, 2^16650792953 is an apocalyptic number.

It is an amenable number.

16650792953 is a deficient number, since it is larger than the sum of its proper divisors (979458427).

16650792953 is an equidigital number, since it uses as much as digits as its factorization.

16650792953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979458426.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 16650792953 in words is "sixteen billion, six hundred fifty million, seven hundred ninety-two thousand, nine hundred fifty-three".