153161821312 has 32 divisors (see below), whose sum is σ = 305144714700. Its totient is φ = 76576481280.

The previous prime is 153161821301. The next prime is 153161821333. The reversal of 153161821312 is 213128161351.

It can be written as a sum of positive squares in 2 ways, for example, as 119754755136 + 33407066176 = 346056^2 + 182776^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 4288264 + ... + 4323832.

Almost surely, 2^153161821312 is an apocalyptic number.

It is an amenable number.

153161821312 is a deficient number, since it is larger than the sum of its proper divisors (151982893388).

153161821312 is an equidigital number, since it uses as much as digits as its factorization.

153161821312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69224 (or 69212 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

Adding to 153161821312 its reverse (213128161351), we get a palindrome (366289982663).

The spelling of 153161821312 in words is "one hundred fifty-three billion, one hundred sixty-one million, eight hundred twenty-one thousand, three hundred twelve".