163461147320 has 128 divisors (see below), whose sum is σ = 391521600000. Its totient is φ = 61246766592.

The previous prime is 163461147307. The next prime is 163461147329. The reversal of 163461147320 is 23741164361.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163461147329) 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 31 ways as a sum of consecutive naturals, for example, 25702301 + ... + 25708659.

It is an arithmetic number, because the mean of its divisors is an integer number (3058762500).

Almost surely, 2^163461147320 is an apocalyptic number.

163461147320 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 163461147320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195760800000).

163461147320 is an abundant number, since it is smaller than the sum of its proper divisors (228060452680).

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

163461147320 is a wasteful number, since it uses less digits than its factorization.

163461147320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765 (or 6761 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 163461147320 in words is "one hundred sixty-three billion, four hundred sixty-one million, one hundred forty-seven thousand, three hundred twenty".