168174200747872 has 24 divisors (see below), whose sum is σ = 361192317516072. Its totient is φ = 76442818521600.

The previous prime is 168174200747741. The next prime is 168174200747873. The reversal of 168174200747872 is 278747002471861.

It is a super-2 number, since 2×168174200747872² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168174200747873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238883807529 + ... + 238883808232.

It is an arithmetic number, because the mean of its divisors is an integer number (15049679896503).

Almost surely, 2^{168174200747872} is an apocalyptic number.

It is an amenable number.

168174200747872 is an abundant number, since it is smaller than the sum of its proper divisors (193018116768200).

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

168174200747872 is a wasteful number, since it uses less digits than its factorization.

168174200747872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477767615782 (or 477767615774 counting only the distinct ones).

The product of its (nonzero) digits is 59006976, while the sum is 64.

The spelling of 168174200747872 in words is "one hundred sixty-eight trillion, one hundred seventy-four billion, two hundred million, seven hundred forty-seven thousand, eight hundred seventy-two".