162664654523 has 6 divisors (see below), whose sum is σ = 189222149196. Its totient is φ = 139426846692.

The previous prime is 162664654519. The next prime is 162664654531. The reversal of 162664654523 is 325456466261.

It is not a de Polignac number, because 162664654523 - 2² = 162664654519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162664654553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1659843365 + ... + 1659843462.

It is an arithmetic number, because the mean of its divisors is an integer number (31537024866).

Almost surely, 2^162664654523 is an apocalyptic number.

162664654523 is a deficient number, since it is larger than the sum of its proper divisors (26557494673).

162664654523 is an equidigital number, since it uses as much as digits as its factorization.

162664654523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319686841 (or 3319686834 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 50.

The spelling of 162664654523 in words is "one hundred sixty-two billion, six hundred sixty-four million, six hundred fifty-four thousand, five hundred twenty-three".