168903082 has 4 divisors (see below), whose sum is σ = 253354626. Its totient is φ = 84451540.

The previous prime is 168903079. The next prime is 168903121. The reversal of 168903082 is 280309861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 158986881 + 9916201 = 12609^2 + 3149^2 .

It is a super-4 number, since 4×168903082⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42225769 + ... + 42225772.

Almost surely, 2^168903082 is an apocalyptic number.

168903082 is a deficient number, since it is larger than the sum of its proper divisors (84451544).

168903082 is an equidigital number, since it uses as much as digits as its factorization.

168903082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84451543.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 168903082 is about 12996.2718500345. The cubic root of 168903082 is about 552.7717732297.

It can be divided in two parts, 16 and 8903082, that added together give a palindrome (8903098).

The spelling of 168903082 in words is "one hundred sixty-eight million, nine hundred three thousand, eighty-two".