163012153226442 has 128 divisors (see below), whose sum is σ = 370439544464640. Its totient is φ = 47407511623680.

The previous prime is 163012153226437. The next prime is 163012153226471. The reversal of 163012153226442 is 244622351210361.

163012153226442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163012153226394 and 163012153226403.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8683320568 + ... + 8683339340.

It is an arithmetic number, because the mean of its divisors is an integer number (2894058941130).

Almost surely, 2^{163012153226442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163012153226442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185219772232320).

163012153226442 is an abundant number, since it is smaller than the sum of its proper divisors (207427391238198).

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

163012153226442 is a wasteful number, since it uses less digits than its factorization.

163012153226442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32088.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 163012153226442 in words is "one hundred sixty-three trillion, twelve billion, one hundred fifty-three million, two hundred twenty-six thousand, four hundred forty-two".