16725550646 has 8 divisors (see below), whose sum is σ = 28672372560. Its totient is φ = 7168093128.

The previous prime is 16725550627. The next prime is 16725550651. The reversal of 16725550646 is 64605552761.

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

It is a super-2 number, since 2×16725550646² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16725550646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597341081 + ... + 597341108.

It is an arithmetic number, because the mean of its divisors is an integer number (3584046570).

Almost surely, 2^16725550646 is an apocalyptic number.

16725550646 is a deficient number, since it is larger than the sum of its proper divisors (11946821914).

16725550646 is a wasteful number, since it uses less digits than its factorization.

16725550646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194682198.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 16725550646 in words is "sixteen billion, seven hundred twenty-five million, five hundred fifty thousand, six hundred forty-six".