162204992450 has 18 divisors (see below), whose sum is σ = 301706583051. Its totient is φ = 64880857840.

The previous prime is 162204992423. The next prime is 162204992459. The reversal of 162204992450 is 54299402261.

It can be written as a sum of positive squares in 5 ways, for example, as 5516478529 + 156688513921 = 74273^2 + 395839^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=284785.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162204992459) 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, 2819372 + ... + 2876328.

Almost surely, 2^162204992450 is an apocalyptic number.

162204992450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162204992450 is a deficient number, since it is larger than the sum of its proper divisors (139501590601).

162204992450 is an frugal number, since it uses more digits than its factorization.

162204992450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113926 (or 56964 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 162204992450 in words is "one hundred sixty-two billion, two hundred four million, nine hundred ninety-two thousand, four hundred fifty".