16925749801 has 3 divisors (see below), whose sum is σ = 16925879901. Its totient is φ = 16925619702.

The previous prime is 16925749787. The next prime is 16925749811. The reversal of 16925749801 is 10894752961.

The square root of 16925749801 is 130099.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10894752961 = 2137 ⋅5098153.

It is not a de Polignac number, because 16925749801 - 2²⁷ = 16791532073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16925749811) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 65050 + ... + 195148.

It is an arithmetic number, because the mean of its divisors is an integer number (5641959967).

Almost surely, 2^16925749801 is an apocalyptic number.

16925749801 is the 130099-th square number.

16925749801 is the 65050-th centered octagonal number.

It is an amenable number.

16925749801 is a deficient number, since it is larger than the sum of its proper divisors (130100).

16925749801 is an frugal number, since it uses more digits than its factorization.

16925749801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260198 (or 130099 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 16925749801 in words is "sixteen billion, nine hundred twenty-five million, seven hundred forty-nine thousand, eight hundred one".