168871082 has 4 divisors (see below), whose sum is σ = 253306626. Its totient is φ = 84435540.

The previous prime is 168871061. The next prime is 168871093. The reversal of 168871082 is 280178861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280178861 = 593 ⋅472477.

It can be written as a sum of positive squares in only one way, i.e., 149059681 + 19811401 = 12209^2 + 4451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42217769 + ... + 42217772.

Almost surely, 2^168871082 is an apocalyptic number.

168871082 is a deficient number, since it is larger than the sum of its proper divisors (84435544).

168871082 is an equidigital number, since it uses as much as digits as its factorization.

168871082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84435543.

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 168871082 is about 12995.0406694246. The cubic root of 168871082 is about 552.7368620571.

The spelling of 168871082 in words is "one hundred sixty-eight million, eight hundred seventy-one thousand, eighty-two".