17745704157 has 8 divisors (see below), whose sum is σ = 24476833440. Its totient is φ = 11422522160.

The previous prime is 17745704149. The next prime is 17745704159. The reversal of 17745704157 is 75140754771.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 17745704157 - 2³ = 17745704149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17745704159) 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 7 ways as a sum of consecutive naturals, for example, 101986719 + ... + 101986892.

It is an arithmetic number, because the mean of its divisors is an integer number (3059604180).

Almost surely, 2^17745704157 is an apocalyptic number.

It is an amenable number.

17745704157 is a deficient number, since it is larger than the sum of its proper divisors (6731129283).

17745704157 is a wasteful number, since it uses less digits than its factorization.

17745704157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203973643.

The product of its (nonzero) digits is 960400, while the sum is 48.

The spelling of 17745704157 in words is "seventeen billion, seven hundred forty-five million, seven hundred four thousand, one hundred fifty-seven".