163478342016 has 640 divisors, whose sum is σ = 574051104000. Its totient is φ = 45640765440.

The previous prime is 163478342009. The next prime is 163478342029. The reversal of 163478342016 is 610243874361.

163478342016 is a `hidden beast` number, since 1 + 634 + 7 + 8 + 3 + 4 + 2 + 0 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 80174725 + ... + 80176763.

It is an arithmetic number, because the mean of its divisors is an integer number (896954850).

Almost surely, 2^163478342016 is an apocalyptic number.

163478342016 is a gapful number since it is divisible by the number (16) 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 163478342016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287025552000).

163478342016 is an abundant number, since it is smaller than the sum of its proper divisors (410572761984).

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

163478342016 is a wasteful number, since it uses less digits than its factorization.

163478342016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 163478342016 in words is "one hundred sixty-three billion, four hundred seventy-eight million, three hundred forty-two thousand, sixteen".