16504502746 has 8 divisors (see below), whose sum is σ = 24766010100. Its totient is φ = 8249166048.

The previous prime is 16504502731. The next prime is 16504502753. The reversal of 16504502746 is 64720540561.

It is a happy number.

16504502746 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9397169721 + 7107333025 = 96939^2 + 84305^2 .

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

It is a super-2 number, since 2×16504502746² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16504502699 and 16504502708.

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, 1535971 + ... + 1546678.

Almost surely, 2^16504502746 is an apocalyptic number.

16504502746 is a deficient number, since it is larger than the sum of its proper divisors (8261507354).

16504502746 is a wasteful number, since it uses less digits than its factorization.

16504502746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085328.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 16504502746 in words is "sixteen billion, five hundred four million, five hundred two thousand, seven hundred forty-six".