16773456261 has 8 divisors (see below), whose sum is σ = 23336982720. Its totient is φ = 10696116992.

The previous prime is 16773456173. The next prime is 16773456299. The reversal of 16773456261 is 16265437761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16773456261 - 2¹¹ = 16773454213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16773456261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16773456361) 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, 121546716 + ... + 121546853.

It is an arithmetic number, because the mean of its divisors is an integer number (2917122840).

Almost surely, 2^16773456261 is an apocalyptic number.

It is an amenable number.

16773456261 is a deficient number, since it is larger than the sum of its proper divisors (6563526459).

16773456261 is a wasteful number, since it uses less digits than its factorization.

16773456261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243093595.

The product of its digits is 1270080, while the sum is 48.

The spelling of 16773456261 in words is "sixteen billion, seven hundred seventy-three million, four hundred fifty-six thousand, two hundred sixty-one".