16612773545 has 8 divisors (see below), whose sum is σ = 19936554624. Its totient is φ = 13289401264.

The previous prime is 16612773509. The next prime is 16612773629. The reversal of 16612773545 is 54537721661.

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 16612773545 - 2¹⁶ = 16612708009 is a prime.

It is a super-3 number, since 3×16612773545³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16612773545.

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, 4259 + ... + 182328.

It is an arithmetic number, because the mean of its divisors is an integer number (2492069328).

Almost surely, 2^16612773545 is an apocalyptic number.

It is an amenable number.

16612773545 is a deficient number, since it is larger than the sum of its proper divisors (3323781079).

16612773545 is a wasteful number, since it uses less digits than its factorization.

16612773545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204399.

The product of its digits is 1058400, while the sum is 47.

The spelling of 16612773545 in words is "sixteen billion, six hundred twelve million, seven hundred seventy-three thousand, five hundred forty-five".