162220940802 has 18 divisors (see below), whose sum is σ = 351482407497. Its totient is φ = 54073077336.

The previous prime is 162220940797. The next prime is 162220940803. The reversal of 162220940802 is 208049022261.

162220940802 is a `hidden beast` number, since 1 + 622 + 20 + 9 + 4 + 0 + 8 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 152551955241 + 9668985561 = 390579^2 + 98331^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=284799.

It is not an unprimeable number, because it can be changed into a prime (162220940803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1661328 + ... + 1756260.

Almost surely, 2^162220940802 is an apocalyptic number.

162220940802 is an abundant number, since it is smaller than the sum of its proper divisors (189261466695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162220940802 is an frugal number, since it uses more digits than its factorization.

162220940802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189874 (or 94938 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 162220940802 in words is "one hundred sixty-two billion, two hundred twenty million, nine hundred forty thousand, eight hundred two".