168123997610 has 16 divisors (see below), whose sum is σ = 302637438432. Its totient is φ = 67246434000.

The previous prime is 168123997597. The next prime is 168123997619. The reversal of 168123997610 is 16799321861.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168123997619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166196 + ... + 603215.

It is an arithmetic number, because the mean of its divisors is an integer number (18914839902).

Almost surely, 2^168123997610 is an apocalyptic number.

168123997610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168123997610 is a deficient number, since it is larger than the sum of its proper divisors (134513440822).

168123997610 is a wasteful number, since it uses less digits than its factorization.

168123997610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791269.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 168123997610 in words is "one hundred sixty-eight billion, one hundred twenty-three million, nine hundred ninety-seven thousand, six hundred ten".