163315651700 has 72 divisors (see below), whose sum is σ = 362070076032. Its totient is φ = 63912532480.

The previous prime is 163315651691. The next prime is 163315651703. The reversal of 163315651700 is 7156513361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163315651703) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 17869532 + ... + 17878668.

It is an arithmetic number, because the mean of its divisors is an integer number (5028751056).

Almost surely, 2^163315651700 is an apocalyptic number.

163315651700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163315651700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181035038016).

163315651700 is an abundant number, since it is smaller than the sum of its proper divisors (198754424332).

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

163315651700 is a wasteful number, since it uses less digits than its factorization.

163315651700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13001 (or 12994 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 163315651700 in words is "one hundred sixty-three billion, three hundred fifteen million, six hundred fifty-one thousand, seven hundred".