168508000231536 has 160 divisors (see below), whose sum is σ = 511077686156800. Its totient is φ = 46831826930688.

The previous prime is 168508000231517. The next prime is 168508000231541. The reversal of 168508000231536 is 635132000805861.

It is a super-2 number, since 2×168508000231536² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46450815 + ... + 49946913.

It is an arithmetic number, because the mean of its divisors is an integer number (3194235538480).

Almost surely, 2^{168508000231536} is an apocalyptic number.

168508000231536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168508000231536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255538843078400).

168508000231536 is an abundant number, since it is smaller than the sum of its proper divisors (342569685925264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168508000231536 is a wasteful number, since it uses less digits than its factorization.

168508000231536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500031 (or 3500025 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 168508000231536 in words is "one hundred sixty-eight trillion, five hundred eight billion, two hundred thirty-one thousand, five hundred thirty-six".