16613211167772 has 24 divisors (see below), whose sum is σ = 38930529180816. Its totient is φ = 5513969943168.

The previous prime is 16613211167771. The next prime is 16613211167779. The reversal of 16613211167772 is 27776111231661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16613211167771) 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 7 ways as a sum of consecutive naturals, for example, 2970886183 + ... + 2970891774.

It is an arithmetic number, because the mean of its divisors is an integer number (1622105382534).

Almost surely, 2^{16613211167772} is an apocalyptic number.

16613211167772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16613211167772 is an abundant number, since it is smaller than the sum of its proper divisors (22317318013044).

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

16613211167772 is a wasteful number, since it uses less digits than its factorization.

16613211167772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941778197 (or 5941778195 counting only the distinct ones).

The product of its digits is 889056, while the sum is 51.

The spelling of 16613211167772 in words is "sixteen trillion, six hundred thirteen billion, two hundred eleven million, one hundred sixty-seven thousand, seven hundred seventy-two".