168861662 has 4 divisors (see below), whose sum is σ = 253292496. Its totient is φ = 84430830.

The previous prime is 168861661. The next prime is 168861677. The reversal of 168861662 is 266168861.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168861661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42215414 + ... + 42215417.

It is an arithmetic number, because the mean of its divisors is an integer number (63323124).

Almost surely, 2^168861662 is an apocalyptic number.

168861662 is a deficient number, since it is larger than the sum of its proper divisors (84430834).

168861662 is an equidigital number, since it uses as much as digits as its factorization.

168861662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84430833.

The product of its digits is 165888, while the sum is 44.

The square root of 168861662 is about 12994.6782184093. The cubic root of 168861662 is about 552.7265842404.

The spelling of 168861662 in words is "one hundred sixty-eight million, eight hundred sixty-one thousand, six hundred sixty-two".