172166050170 has 96 divisors (see below), whose sum is σ = 450989706960. Its totient is φ = 45567836160.

The previous prime is 172166050157. The next prime is 172166050187. The reversal of 172166050170 is 71050661271.

172166050170 is a `hidden beast` number, since 1 + 7 + 21 + 6 + 60 + 501 + 70 = 666.

172166050170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 120663832689 + 51502217481 = 347367^2 + 226941^2 .

It is a super-2 number, since 2×172166050170² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6486286 + ... + 6512774.

Almost surely, 2^172166050170 is an apocalyptic number.

172166050170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172166050170 is an abundant number, since it is smaller than the sum of its proper divisors (278823656790).

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

172166050170 is a wasteful number, since it uses less digits than its factorization.

172166050170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27040 (or 27037 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

It can be divided in two parts, 17216 and 6050170, that added together give a triangular number (6067386 = T₃₄₈₃).

The spelling of 172166050170 in words is "one hundred seventy-two billion, one hundred sixty-six million, fifty thousand, one hundred seventy".