168220652 has 24 divisors (see below), whose sum is σ = 300194160. Its totient is φ = 82463040.

The previous prime is 168220649. The next prime is 168220669. The reversal of 168220652 is 256022861.

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, 60002 + ... + 62742.

It is an arithmetic number, because the mean of its divisors is an integer number (12508090).

Almost surely, 2^168220652 is an apocalyptic number.

It is an amenable number.

168220652 is a deficient number, since it is larger than the sum of its proper divisors (131973508).

168220652 is a wasteful number, since it uses less digits than its factorization.

168220652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 168220652 is about 12969.9904394722. The cubic root of 168220652 is about 552.0263018693.

The spelling of 168220652 in words is "one hundred sixty-eight million, two hundred twenty thousand, six hundred fifty-two".