38678468172156 has 48 divisors (see below), whose sum is σ = 100575069547680. Its totient is φ = 12854565077760.

The previous prime is 38678468172121. The next prime is 38678468172241. The reversal of 38678468172156 is 65127186487683.

38678468172156 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 8 + 468 + 1 + 7 + 2 + 156 = 666.

It is a congruent number.

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, 531319635 + ... + 531392426.

It is an arithmetic number, because the mean of its divisors is an integer number (2095313948910).

Almost surely, 2^{38678468172156} is an apocalyptic number.

38678468172156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38678468172156 is an abundant number, since it is smaller than the sum of its proper divisors (61896601375524).

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

38678468172156 is a wasteful number, since it uses less digits than its factorization.

38678468172156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062712411 (or 1062712403 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 72.

The spelling of 38678468172156 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred sixty-eight million, one hundred seventy-two thousand, one hundred fifty-six".