168485788387700 has 54 divisors (see below), whose sum is σ = 425306268699606. Its totient is φ = 57766556016960.

The previous prime is 168485788387667. The next prime is 168485788387771. The reversal of 168485788387700 is 7783887584861.

It can be written as a sum of positive squares in 3 ways, for example, as 44251179448336 + 124234608939364 = 6652156^2 + 11146058^2 .

It is a super-2 number, since 2×168485788387700² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17192422487 + ... + 17192432286.

Almost surely, 2^{168485788387700} is an apocalyptic number.

168485788387700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168485788387700 is an abundant number, since it is smaller than the sum of its proper divisors (256820480311906).

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

168485788387700 is a wasteful number, since it uses less digits than its factorization.

168485788387700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34384854801 (or 34384854787 counting only the distinct ones).

The product of its (nonzero) digits is 4046192640, while the sum is 80.

The spelling of 168485788387700 in words is "one hundred sixty-eight trillion, four hundred eighty-five billion, seven hundred eighty-eight million, three hundred eighty-seven thousand, seven hundred".