16925017601 has 4 divisors (see below), whose sum is σ = 17177629872. Its totient is φ = 16672405332.

The previous prime is 16925017597. The next prime is 16925017631. The reversal of 16925017601 is 10671052961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10671052961 = 113 ⋅94434097.

It is a cyclic number.

It is not a de Polignac number, because 16925017601 - 2² = 16925017597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16925017631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126306035 + ... + 126306168.

It is an arithmetic number, because the mean of its divisors is an integer number (4294407468).

Almost surely, 2^16925017601 is an apocalyptic number.

It is an amenable number.

16925017601 is a deficient number, since it is larger than the sum of its proper divisors (252612271).

16925017601 is an equidigital number, since it uses as much as digits as its factorization.

16925017601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252612270.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 16925017601 in words is "sixteen billion, nine hundred twenty-five million, seventeen thousand, six hundred one".