16552463845 has 8 divisors (see below), whose sum is σ = 19866960000. Its totient is φ = 13239302160.

The previous prime is 16552463827. The next prime is 16552463897. The reversal of 16552463845 is 54836425561.

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

It is not a de Polignac number, because 16552463845 - 2¹⁹ = 16551939557 is a prime.

It is a super-3 number, since 3×16552463845³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306121 + ... + 356110.

It is an arithmetic number, because the mean of its divisors is an integer number (2483370000).

Almost surely, 2^16552463845 is an apocalyptic number.

It is an amenable number.

16552463845 is a deficient number, since it is larger than the sum of its proper divisors (3314496155).

16552463845 is an equidigital number, since it uses as much as digits as its factorization.

16552463845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667235.

The product of its digits is 3456000, while the sum is 49.

The spelling of 16552463845 in words is "sixteen billion, five hundred fifty-two million, four hundred sixty-three thousand, eight hundred forty-five".