168493288610 has 32 divisors (see below), whose sum is σ = 309907534464. Its totient is φ = 65940784000.

The previous prime is 168493288577. The next prime is 168493288619. The reversal of 168493288610 is 16882394861.

It is a happy number.

It is a super-2 number, since 2×168493288610² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168493288619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812771 + ... + 998790.

It is an arithmetic number, because the mean of its divisors is an integer number (9684610452).

Almost surely, 2^168493288610 is an apocalyptic number.

168493288610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168493288610 is a deficient number, since it is larger than the sum of its proper divisors (141414245854).

168493288610 is a wasteful number, since it uses less digits than its factorization.

168493288610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811770.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 168493288610 in words is "one hundred sixty-eight billion, four hundred ninety-three million, two hundred eighty-eight thousand, six hundred ten".