16404103536425 has 48 divisors (see below), whose sum is σ = 22355720392320. Its totient is φ = 11841539520000.

The previous prime is 16404103536407. The next prime is 16404103536437. The reversal of 16404103536425 is 52463530140461.

It is not a de Polignac number, because 16404103536425 - 2¹⁴ = 16404103520041 is a prime.

It is a super-2 number, since 2×16404103536425² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28305716 + ... + 28879434.

It is an arithmetic number, because the mean of its divisors is an integer number (465744174840).

Almost surely, 2^{16404103536425} is an apocalyptic number.

It is an amenable number.

16404103536425 is a deficient number, since it is larger than the sum of its proper divisors (5951616855895).

16404103536425 is a wasteful number, since it uses less digits than its factorization.

16404103536425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574514 (or 574509 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

Adding to 16404103536425 its reverse (52463530140461), we get a palindrome (68867633676886).

The spelling of 16404103536425 in words is "sixteen trillion, four hundred four billion, one hundred three million, five hundred thirty-six thousand, four hundred twenty-five".