16573952641 has 8 divisors (see below), whose sum is σ = 16784712000. Its totient is φ = 16364108400.

The previous prime is 16573952617. The next prime is 16573952653. The reversal of 16573952641 is 14625937561.

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 16573952641 - 2¹¹ = 16573950593 is a prime.

It is a super-2 number, since 2×16573952641² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16573952741) 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, 192291 + ... + 264808.

It is an arithmetic number, because the mean of its divisors is an integer number (2098089000).

Almost surely, 2^16573952641 is an apocalyptic number.

It is an amenable number.

16573952641 is a deficient number, since it is larger than the sum of its proper divisors (210759359).

16573952641 is a wasteful number, since it uses less digits than its factorization.

16573952641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457559.

The product of its digits is 1360800, while the sum is 49.

The spelling of 16573952641 in words is "sixteen billion, five hundred seventy-three million, nine hundred fifty-two thousand, six hundred forty-one".