167768897 has 4 divisors (see below), whose sum is σ = 171338496. Its totient is φ = 164199300.

The previous prime is 167768873. The next prime is 167768899. The reversal of 167768897 is 798867761.

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, and also an emirpimes, since its reverse is a distinct semiprime: 798867761 = 233 ⋅3428617.

It is a cyclic number.

It is not a de Polignac number, because 167768897 - 2⁶ = 167768833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167768899) 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, 1784729 + ... + 1784822.

It is an arithmetic number, because the mean of its divisors is an integer number (42834624).

Almost surely, 2^167768897 is an apocalyptic number.

It is an amenable number.

167768897 is a deficient number, since it is larger than the sum of its proper divisors (3569599).

167768897 is an equidigital number, since it uses as much as digits as its factorization.

167768897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569598.

The product of its digits is 7112448, while the sum is 59.

The square root of 167768897 is about 12952.5633370387. The cubic root of 167768897 is about 551.5317050226.

The spelling of 167768897 in words is "one hundred sixty-seven million, seven hundred sixty-eight thousand, eight hundred ninety-seven".