162297791044 has 27 divisors (see below), whose sum is σ = 286064674077. Its totient is φ = 80569177104.

The previous prime is 162297791017. The next prime is 162297791063. The reversal of 162297791044 is 440197792261.

It is a happy number.

The square root of 162297791044 is 402862.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 47571972100 + 114725818944 = 218110^2 + 338712^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162297790982 and 162297791000.

It is an unprimeable number.

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, 126498027 + ... + 126499309.

Almost surely, 2^162297791044 is an apocalyptic number.

162297791044 is the 402862-nd square number.

It is an amenable number.

162297791044 is a deficient number, since it is larger than the sum of its proper divisors (123766883033).

162297791044 is an frugal number, since it uses more digits than its factorization.

162297791044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 162297791044 in words is "one hundred sixty-two billion, two hundred ninety-seven million, seven hundred ninety-one thousand, forty-four".