168648116523 has 8 divisors (see below), whose sum is σ = 224867828736. Its totient is φ = 112430241000.

The previous prime is 168648116509. The next prime is 168648116587. The reversal of 168648116523 is 325611846861.

It is a happy number.

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

It is not a de Polignac number, because 168648116523 - 2⁵ = 168648116491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168648116723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228343 + ... + 624048.

It is an arithmetic number, because the mean of its divisors is an integer number (28108478592).

Almost surely, 2^168648116523 is an apocalyptic number.

168648116523 is a deficient number, since it is larger than the sum of its proper divisors (56219712213).

168648116523 is an equidigital number, since it uses as much as digits as its factorization.

168648116523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918345.

The product of its digits is 1658880, while the sum is 51.

The spelling of 168648116523 in words is "one hundred sixty-eight billion, six hundred forty-eight million, one hundred sixteen thousand, five hundred twenty-three".