162768673777 has 4 divisors (see below), whose sum is σ = 162874990576. Its totient is φ = 162662356980.

The previous prime is 162768673759. The next prime is 162768673783. The reversal of 162768673777 is 777376867261.

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 162768673777 - 2⁷ = 162768673649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162768673877) 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, 53156103 + ... + 53159164.

It is an arithmetic number, because the mean of its divisors is an integer number (40718747644).

Almost surely, 2^162768673777 is an apocalyptic number.

It is an amenable number.

162768673777 is a deficient number, since it is larger than the sum of its proper divisors (106316799).

162768673777 is a wasteful number, since it uses less digits than its factorization.

162768673777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106316798.

The product of its digits is 174254976, while the sum is 67.

The spelling of 162768673777 in words is "one hundred sixty-two billion, seven hundred sixty-eight million, six hundred seventy-three thousand, seven hundred seventy-seven".