32774565516 has 144 divisors (see below), whose sum is σ = 99670378752. Its totient is φ = 8282736000.

The previous prime is 32774565497. The next prime is 32774565533. The reversal of 32774565516 is 61556547723.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170841 + ... + 307791.

It is an arithmetic number, because the mean of its divisors is an integer number (692155408).

Almost surely, 2^32774565516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32774565516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49835189376).

32774565516 is an abundant number, since it is smaller than the sum of its proper divisors (66895813236).

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

32774565516 is a wasteful number, since it uses less digits than its factorization.

32774565516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137020 (or 137011 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 51.

The spelling of 32774565516 in words is "thirty-two billion, seven hundred seventy-four million, five hundred sixty-five thousand, five hundred sixteen".