16530325401 has 16 divisors (see below), whose sum is σ = 22671673920. Its totient is φ = 10708950720.

The previous prime is 16530325391. The next prime is 16530325417. The reversal of 16530325401 is 10452303561.

It is not a de Polignac number, because 16530325401 - 2²⁶ = 16463216537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16530325421) 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, 528966 + ... + 559343.

It is an arithmetic number, because the mean of its divisors is an integer number (1416979620).

Almost surely, 2^16530325401 is an apocalyptic number.

It is an amenable number.

16530325401 is a deficient number, since it is larger than the sum of its proper divisors (6141348519).

16530325401 is a wasteful number, since it uses less digits than its factorization.

16530325401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088456.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 16530325401 its reverse (10452303561), we get a palindrome (26982628962).

The spelling of 16530325401 in words is "sixteen billion, five hundred thirty million, three hundred twenty-five thousand, four hundred one".