161468667147679 has 4 divisors (see below), whose sum is σ = 162977720111784. Its totient is φ = 159959614183576.

The previous prime is 161468667147637. The next prime is 161468667147701. The reversal of 161468667147679 is 976741766864161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161468667147679 - 2⁹ = 161468667147167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161468667147599 and 161468667147608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161468667177679) 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, 754526481892 + ... + 754526482105.

It is an arithmetic number, because the mean of its divisors is an integer number (40744430027946).

Almost surely, 2^{161468667147679} is an apocalyptic number.

161468667147679 is a deficient number, since it is larger than the sum of its proper divisors (1509052964105).

161468667147679 is a wasteful number, since it uses less digits than its factorization.

161468667147679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509052964104.

The product of its digits is 3072577536, while the sum is 79.

The spelling of 161468667147679 in words is "one hundred sixty-one trillion, four hundred sixty-eight billion, six hundred sixty-seven million, one hundred forty-seven thousand, six hundred seventy-nine".