16504641235 has 8 divisors (see below), whose sum is σ = 19961519616. Its totient is φ = 13099746240.

The previous prime is 16504641191. The next prime is 16504641239. The reversal of 16504641235 is 53214640561.

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

It is not a de Polignac number, because 16504641235 - 2¹¹ = 16504639187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16504641194 and 16504641203.

It is not an unprimeable number, because it can be changed into a prime (16504641239) 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, 12995146 + ... + 12996415.

It is an arithmetic number, because the mean of its divisors is an integer number (2495189952).

Almost surely, 2^16504641235 is an apocalyptic number.

16504641235 is a deficient number, since it is larger than the sum of its proper divisors (3456878381).

16504641235 is a wasteful number, since it uses less digits than its factorization.

16504641235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25991693.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 16504641235 in words is "sixteen billion, five hundred four million, six hundred forty-one thousand, two hundred thirty-five".