16772667555516 has 48 divisors (see below), whose sum is σ = 39851558820864. Its totient is φ = 5489623342336.

The previous prime is 16772667555509. The next prime is 16772667555517. The reversal of 16772667555516 is 61555576627761.

It is a happy number.

16772667555516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772667555517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57655020 + ... + 57945203.

It is an arithmetic number, because the mean of its divisors is an integer number (830240808768).

Almost surely, 2^{16772667555516} is an apocalyptic number.

It is an amenable number.

16772667555516 is an abundant number, since it is smaller than the sum of its proper divisors (23078891265348).

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

16772667555516 is a wasteful number, since it uses less digits than its factorization.

16772667555516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115600450 (or 115600448 counting only the distinct ones).

The product of its digits is 555660000, while the sum is 69.

The spelling of 16772667555516 in words is "sixteen trillion, seven hundred seventy-two billion, six hundred sixty-seven million, five hundred fifty-five thousand, five hundred sixteen".