16931250617 has 4 divisors (see below), whose sum is σ = 16931706960. Its totient is φ = 16930794276.

The previous prime is 16931250587. The next prime is 16931250629. The reversal of 16931250617 is 71605213961.

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.

It is a cyclic number.

It is not a de Polignac number, because 16931250617 - 2¹⁶ = 16931185081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16931250647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167063 + ... + 248540.

It is an arithmetic number, because the mean of its divisors is an integer number (4232926740).

Almost surely, 2^16931250617 is an apocalyptic number.

It is an amenable number.

16931250617 is a deficient number, since it is larger than the sum of its proper divisors (456343).

16931250617 is an equidigital number, since it uses as much as digits as its factorization.

16931250617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456342.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 16931250617 in words is "sixteen billion, nine hundred thirty-one million, two hundred fifty thousand, six hundred seventeen".