171204790463 has 16 divisors (see below), whose sum is σ = 201636724800. Its totient is φ = 142293459456.

The previous prime is 171204790453. The next prime is 171204790469. The reversal of 171204790463 is 364097402171.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 171204790463 - 2⁴ = 171204790447 is a prime.

It is a super-2 number, since 2×171204790463² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171204790469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052138 + ... + 1203911.

It is an arithmetic number, because the mean of its divisors is an integer number (12602295300).

Almost surely, 2^171204790463 is an apocalyptic number.

171204790463 is a deficient number, since it is larger than the sum of its proper divisors (30431934337).

171204790463 is a wasteful number, since it uses less digits than its factorization.

171204790463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256386.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 171204790463 in words is "one hundred seventy-one billion, two hundred four million, seven hundred ninety thousand, four hundred sixty-three".