16404014001625 has 32 divisors (see below), whose sum is σ = 20813780961792. Its totient is φ = 12904934169600.

The previous prime is 16404014001589. The next prime is 16404014001643. The reversal of 16404014001625 is 52610041040461.

It is not a de Polignac number, because 16404014001625 - 2¹⁵ = 16404013968857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3135072 + ... + 6529678.

It is an arithmetic number, because the mean of its divisors is an integer number (650430655056).

Almost surely, 2^{16404014001625} is an apocalyptic number.

It is an amenable number.

16404014001625 is a deficient number, since it is larger than the sum of its proper divisors (4409766960167).

16404014001625 is an equidigital number, since it uses as much as digits as its factorization.

16404014001625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395266 (or 3395256 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 16404014001625 in words is "sixteen trillion, four hundred four billion, fourteen million, one thousand, six hundred twenty-five".