16620719303 has 4 divisors (see below), whose sum is σ = 16742038560. Its totient is φ = 16499400048.

The previous prime is 16620719293. The next prime is 16620719317. The reversal of 16620719303 is 30391702661.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16620719303 - 2¹⁶ = 16620653767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16620719503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60659423 + ... + 60659696.

It is an arithmetic number, because the mean of its divisors is an integer number (4185509640).

Almost surely, 2^16620719303 is an apocalyptic number.

16620719303 is a deficient number, since it is larger than the sum of its proper divisors (121319257).

16620719303 is a wasteful number, since it uses less digits than its factorization.

16620719303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121319256.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 16620719303 in words is "sixteen billion, six hundred twenty million, seven hundred nineteen thousand, three hundred three".