162222603656 has 8 divisors (see below), whose sum is σ = 304167381870. Its totient is φ = 81111301824.

The previous prime is 162222603601. The next prime is 162222603659. The reversal of 162222603656 is 656306222261.

It can be written as a sum of positive squares in only one way, i.e., 106058343556 + 56164260100 = 325666^2 + 236990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (162222603659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10138912721 + ... + 10138912736.

Almost surely, 2^162222603656 is an apocalyptic number.

It is an amenable number.

162222603656 is a deficient number, since it is larger than the sum of its proper divisors (141944778214).

162222603656 is a wasteful number, since it uses less digits than its factorization.

162222603656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277825463 (or 20277825459 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 162222603656 in words is "one hundred sixty-two billion, two hundred twenty-two million, six hundred three thousand, six hundred fifty-six".