168435250085 has 8 divisors (see below), whose sum is σ = 202147635480. Its totient is φ = 134731309824.

The previous prime is 168435250063. The next prime is 168435250121. The reversal of 168435250085 is 580052534861.

It can be written as a sum of positive squares in 4 ways, for example, as 47306884 + 168387943201 = 6878^2 + 410351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168435250085 - 2¹⁶ = 168435184549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067320 + ... + 2147249.

It is an arithmetic number, because the mean of its divisors is an integer number (25268454435).

Almost surely, 2^168435250085 is an apocalyptic number.

It is an amenable number.

168435250085 is a deficient number, since it is larger than the sum of its proper divisors (33712385395).

168435250085 is an equidigital number, since it uses as much as digits as its factorization.

168435250085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222567.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 168435250085 in words is "one hundred sixty-eight billion, four hundred thirty-five million, two hundred fifty thousand, eighty-five".