163512533164812 has 48 divisors (see below), whose sum is σ = 432502786786560. Its totient is φ = 47663572419648.

The previous prime is 163512533164789. The next prime is 163512533164843. The reversal of 163512533164812 is 218461335215361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27583082928 + ... + 27583088855.

It is an arithmetic number, because the mean of its divisors is an integer number (9010474724720).

Almost surely, 2^{163512533164812} is an apocalyptic number.

163512533164812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163512533164812 is an abundant number, since it is smaller than the sum of its proper divisors (268990253621748).

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

163512533164812 is a wasteful number, since it uses less digits than its factorization.

163512533164812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55166171822 (or 55166171820 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The spelling of 163512533164812 in words is "one hundred sixty-three trillion, five hundred twelve billion, five hundred thirty-three million, one hundred sixty-four thousand, eight hundred twelve".