16722577768 has 32 divisors (see below), whose sum is σ = 35543944800. Its totient is φ = 7311895488.

The previous prime is 16722577763. The next prime is 16722577801. The reversal of 16722577768 is 86777522761.

It is not an unprimeable number, because it can be changed into a prime (16722577763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4229446 + ... + 4233397.

It is an arithmetic number, because the mean of its divisors is an integer number (1110748275).

Almost surely, 2^16722577768 is an apocalyptic number.

It is an amenable number.

16722577768 is an abundant number, since it is smaller than the sum of its proper divisors (18821367032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16722577768 is a wasteful number, since it uses less digits than its factorization.

16722577768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462881 (or 8462877 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 58.

The spelling of 16722577768 in words is "sixteen billion, seven hundred twenty-two million, five hundred seventy-seven thousand, seven hundred sixty-eight".