168748377081252 has 48 divisors (see below), whose sum is σ = 400439461121280. Its totient is φ = 55293374005408.

The previous prime is 168748377081241. The next prime is 168748377081281. The reversal of 168748377081252 is 252180773847861.

It is a super-3 number, since 3×168748377081252³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8683843 + ... + 20320085.

It is an arithmetic number, because the mean of its divisors is an integer number (8342488773360).

Almost surely, 2^{168748377081252} is an apocalyptic number.

168748377081252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168748377081252 is an abundant number, since it is smaller than the sum of its proper divisors (231691084040028).

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

168748377081252 is a wasteful number, since it uses less digits than its factorization.

168748377081252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656792 (or 11656790 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 69.

The spelling of 168748377081252 in words is "one hundred sixty-eight trillion, seven hundred forty-eight billion, three hundred seventy-seven million, eighty-one thousand, two hundred fifty-two".