16773137252 has 24 divisors (see below), whose sum is σ = 29489698560. Its totient is φ = 8347600800.

The previous prime is 16773137231. The next prime is 16773137257. The reversal of 16773137252 is 25273137761.

It is a happy number.

It is a super-2 number, since 2×16773137252² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16773137257) 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, 749627 + ... + 771677.

It is an arithmetic number, because the mean of its divisors is an integer number (1228737440).

Almost surely, 2^16773137252 is an apocalyptic number.

It is an amenable number.

16773137252 is a deficient number, since it is larger than the sum of its proper divisors (12716561308).

16773137252 is a wasteful number, since it uses less digits than its factorization.

16773137252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22931 (or 22929 counting only the distinct ones).

The product of its digits is 370440, while the sum is 44.

The spelling of 16773137252 in words is "sixteen billion, seven hundred seventy-three million, one hundred thirty-seven thousand, two hundred fifty-two".