38166163200 has 1296 divisors, whose sum is σ = 162743083776. Its totient is φ = 8758886400.

The previous prime is 38166163183. The next prime is 38166163201. The reversal of 38166163200 is 236166183.

38166163200 is a `hidden beast` number, since 3 + 8 + 1 + 6 + 616 + 32 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38166163201) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 393465552 + ... + 393465648.

Almost surely, 2^38166163200 is an apocalyptic number.

38166163200 is a gapful number since it is divisible by the number (30) 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 38166163200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81371541888).

38166163200 is an abundant number, since it is smaller than the sum of its proper divisors (124576920576).

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

38166163200 is a wasteful number, since it uses less digits than its factorization.

38166163200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 38166163200 in words is "thirty-eight billion, one hundred sixty-six million, one hundred sixty-three thousand, two hundred".