85167667601 has 4 divisors (see below), whose sum is σ = 85542855792. Its totient is φ = 84792479412.

The previous prime is 85167667573. The next prime is 85167667621. The reversal of 85167667601 is 10676676158.

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 85167667601 - 2³⁰ = 84093925777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85167667621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187593755 + ... + 187594208.

It is an arithmetic number, because the mean of its divisors is an integer number (21385713948).

Almost surely, 2^85167667601 is an apocalyptic number.

It is an amenable number.

85167667601 is a deficient number, since it is larger than the sum of its proper divisors (375188191).

85167667601 is a wasteful number, since it uses less digits than its factorization.

85167667601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375188190.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 85167667601 in words is "eighty-five billion, one hundred sixty-seven million, six hundred sixty-seven thousand, six hundred one".