16772731776616 has 32 divisors (see below), whose sum is σ = 33598166580000. Its totient is φ = 7826396440896.

The previous prime is 16772731776613. The next prime is 16772731776623. The reversal of 16772731776616 is 61667713727761.

It is a super-2 number, since 2×16772731776616² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is not an unprimeable number, because it can be changed into a prime (16772731776611) 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, 823474291 + ... + 823494658.

It is an arithmetic number, because the mean of its divisors is an integer number (1049942705625).

Almost surely, 2^{16772731776616} is an apocalyptic number.

It is an amenable number.

16772731776616 is an abundant number, since it is smaller than the sum of its proper divisors (16825434803384).

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

16772731776616 is a wasteful number, since it uses less digits than its factorization.

16772731776616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646969041 (or 1646969037 counting only the distinct ones).

The product of its digits is 130691232, while the sum is 67.

The spelling of 16772731776616 in words is "sixteen trillion, seven hundred seventy-two billion, seven hundred thirty-one million, seven hundred seventy-six thousand, six hundred sixteen".