173387487168 has 112 divisors (see below), whose sum is σ = 582545301760. Its totient is φ = 49539278592.

The previous prime is 173387487151. The next prime is 173387487187. The reversal of 173387487168 is 861784783371.

173387487168 is a `hidden beast` number, since 1 + 73 + 3 + 87 + 487 + 1 + 6 + 8 = 666.

173387487168 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7155046 + ... + 7179237.

Almost surely, 2^173387487168 is an apocalyptic number.

173387487168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

173387487168 is an abundant number, since it is smaller than the sum of its proper divisors (409157814592).

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

173387487168 is a wasteful number, since it uses less digits than its factorization.

173387487168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14334311 (or 14334295 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The spelling of 173387487168 in words is "one hundred seventy-three billion, three hundred eighty-seven million, four hundred eighty-seven thousand, one hundred sixty-eight".