168608473577 has 4 divisors (see below), whose sum is σ = 175939276800. Its totient is φ = 161277670356.

The previous prime is 168608473529. The next prime is 168608473597. The reversal of 168608473577 is 775374806861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168608473577 - 2¹⁰ = 168608472553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168608473597) 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, 3665401577 + ... + 3665401622.

It is an arithmetic number, because the mean of its divisors is an integer number (43984819200).

Almost surely, 2^168608473577 is an apocalyptic number.

It is an amenable number.

168608473577 is a deficient number, since it is larger than the sum of its proper divisors (7330803223).

168608473577 is an equidigital number, since it uses as much as digits as its factorization.

168608473577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330803222.

The product of its (nonzero) digits is 47416320, while the sum is 62.

The spelling of 168608473577 in words is "one hundred sixty-eight billion, six hundred eight million, four hundred seventy-three thousand, five hundred seventy-seven".