163235646005632 has 32 divisors (see below), whose sum is σ = 325208470741200. Its totient is φ = 81614696486400.

The previous prime is 163235646005591. The next prime is 163235646005633. The reversal of 163235646005632 is 236500646532361.

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

It is a super-2 number, since 2×163235646005632² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163235646005632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163235646005633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21069619 + ... + 27756082.

Almost surely, 2^{163235646005632} is an apocalyptic number.

It is an amenable number.

163235646005632 is a deficient number, since it is larger than the sum of its proper divisors (161972824735568).

163235646005632 is an equidigital number, since it uses as much as digits as its factorization.

163235646005632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48851834 (or 48851822 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 52.

The spelling of 163235646005632 in words is "one hundred sixty-three trillion, two hundred thirty-five billion, six hundred forty-six million, five thousand, six hundred thirty-two".