161248827364 has 9 divisors (see below), whose sum is σ = 282186853347. Its totient is φ = 80624012124.

The previous prime is 161248827331. The next prime is 161248827371. The reversal of 161248827364 is 463728842161.

The square root of 161248827364 is 401558.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 702727 + ... + 903505.

Almost surely, 2^161248827364 is an apocalyptic number.

161248827364 is the 401558-th square number.

It is an amenable number.

161248827364 is a deficient number, since it is larger than the sum of its proper divisors (120938025983).

161248827364 is an frugal number, since it uses more digits than its factorization.

161248827364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401562 (or 200781 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

It can be divided in two parts, 16124 and 8827364, that added together give a palindrome (8843488).

The spelling of 161248827364 in words is "one hundred sixty-one billion, two hundred forty-eight million, eight hundred twenty-seven thousand, three hundred sixty-four".