16773551252 has 12 divisors (see below), whose sum is σ = 29683532340. Its totient is φ = 8292542016.

The previous prime is 16773551231. The next prime is 16773551281. The reversal of 16773551252 is 25215537761.

It can be written as a sum of positive squares in 2 ways, for example, as 10929866116 + 5843685136 = 104546^2 + 76444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23558003 + ... + 23558714.

It is an arithmetic number, because the mean of its divisors is an integer number (2473627695).

Almost surely, 2^16773551252 is an apocalyptic number.

It is an amenable number.

16773551252 is a deficient number, since it is larger than the sum of its proper divisors (12909981088).

16773551252 is a wasteful number, since it uses less digits than its factorization.

16773551252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47116810 (or 47116808 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The spelling of 16773551252 in words is "sixteen billion, seven hundred seventy-three million, five hundred fifty-one thousand, two hundred fifty-two".