162644667044 has 12 divisors (see below), whose sum is σ = 292320820764. Its totient is φ = 79124432544.

The previous prime is 162644666993. The next prime is 162644667067. The reversal of 162644667044 is 440766446261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121724232100 + 40920434944 = 348890^2 + 202288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 162644666983 and 162644667001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549475079 + ... + 549475374.

It is an arithmetic number, because the mean of its divisors is an integer number (24360068397).

Almost surely, 2^162644667044 is an apocalyptic number.

It is an amenable number.

162644667044 is a deficient number, since it is larger than the sum of its proper divisors (129676153720).

162644667044 is a wasteful number, since it uses less digits than its factorization.

162644667044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098950494 (or 1098950492 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 162644667044 in words is "one hundred sixty-two billion, six hundred forty-four million, six hundred sixty-seven thousand, forty-four".