163045315606440 has 32 divisors (see below), whose sum is σ = 489135946819680. Its totient is φ = 43478750828352.

The previous prime is 163045315606417. The next prime is 163045315606483. The reversal of 163045315606440 is 44606513540361.

It is a happy number.

163045315606440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 163045315606440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679355481574 + ... + 679355481813.

It is an arithmetic number, because the mean of its divisors is an integer number (15285498338115).

Almost surely, 2^{163045315606440} is an apocalyptic number.

163045315606440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163045315606440 is an abundant number, since it is smaller than the sum of its proper divisors (326090631213240).

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

163045315606440 is a wasteful number, since it uses less digits than its factorization.

163045315606440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358710963401 (or 1358710963397 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 163045315606440 in words is "one hundred sixty-three trillion, forty-five billion, three hundred fifteen million, six hundred six thousand, four hundred forty".