117626161768557 has 32 divisors (see below), whose sum is σ = 177128184576000. Its totient is φ = 68890211577792.

The previous prime is 117626161768553. The next prime is 117626161768589. The reversal of 117626161768557 is 755867161626711.

It is not a de Polignac number, because 117626161768557 - 2² = 117626161768553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a junction number, because it is equal to n+sod(n) for n = 117626161768491 and 117626161768500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117626161768553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329301007 + ... + 329658012.

It is an arithmetic number, because the mean of its divisors is an integer number (5535255768000).

Almost surely, 2^{117626161768557} is an apocalyptic number.

It is an amenable number.

117626161768557 is a deficient number, since it is larger than the sum of its proper divisors (59502022807443).

117626161768557 is a wasteful number, since it uses less digits than its factorization.

117626161768557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658959257.

The product of its digits is 177811200, while the sum is 69.

The spelling of 117626161768557 in words is "one hundred seventeen trillion, six hundred twenty-six billion, one hundred sixty-one million, seven hundred sixty-eight thousand, five hundred fifty-seven".