16409325401 has 16 divisors (see below), whose sum is σ = 19160064000. Its totient is φ = 13760460240.

The previous prime is 16409325353. The next prime is 16409325407. The reversal of 16409325401 is 10452390461.

It is a cyclic number.

It is not a de Polignac number, because 16409325401 - 2¹⁰ = 16409324377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16409325407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978356 + ... + 994986.

It is an arithmetic number, because the mean of its divisors is an integer number (1197504000).

Almost surely, 2^16409325401 is an apocalyptic number.

It is an amenable number.

16409325401 is a deficient number, since it is larger than the sum of its proper divisors (2750738599).

16409325401 is a wasteful number, since it uses less digits than its factorization.

16409325401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19684.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 16409325401 in words is "sixteen billion, four hundred nine million, three hundred twenty-five thousand, four hundred one".