16722510551 has 32 divisors (see below), whose sum is σ = 17803618560. Its totient is φ = 15688857600.

The previous prime is 16722510523. The next prime is 16722510557. The reversal of 16722510551 is 15501522761.

It is a cyclic number.

It is not a de Polignac number, because 16722510551 - 2¹⁴ = 16722494167 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 (16722510557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42988265 + ... + 42988653.

It is an arithmetic number, because the mean of its divisors is an integer number (556363080).

Almost surely, 2^16722510551 is an apocalyptic number.

16722510551 is a deficient number, since it is larger than the sum of its proper divisors (1081108009).

16722510551 is a wasteful number, since it uses less digits than its factorization.

16722510551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 16722510551 in words is "sixteen billion, seven hundred twenty-two million, five hundred ten thousand, five hundred fifty-one".