117164141526557 has 4 divisors (see below), whose sum is σ = 117420518204316. Its totient is φ = 116907764848800.

The previous prime is 117164141526391. The next prime is 117164141526577. The reversal of 117164141526557 is 755625141461711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42815704043641 + 74348437482916 = 6543371^2 + 8622554^2 .

It is a cyclic number.

It is not a de Polignac number, because 117164141526557 - 2²⁴ = 117164124749341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117164141526577) 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, 128188338194 + ... + 128188339107.

It is an arithmetic number, because the mean of its divisors is an integer number (29355129551079).

Almost surely, 2^{117164141526557} is an apocalyptic number.

It is an amenable number.

117164141526557 is a deficient number, since it is larger than the sum of its proper divisors (256376677759).

117164141526557 is an equidigital number, since it uses as much as digits as its factorization.

117164141526557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256376677758.

The product of its digits is 7056000, while the sum is 56.

The spelling of 117164141526557 in words is "one hundred seventeen trillion, one hundred sixty-four billion, one hundred forty-one million, five hundred twenty-six thousand, five hundred fifty-seven".