38178216037836 has 144 divisors (see below), whose sum is σ = 112868128172800. Its totient is φ = 10653389018496.

The previous prime is 38178216037823. The next prime is 38178216037849. The reversal of 38178216037836 is 63873061287183.

38178216037836 is a `hidden beast` number, since 3 + 8 + 1 + 78 + 2 + 160 + 378 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (38178216037823) and next prime (38178216037849).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119676030 + ... + 119994618.

Almost surely, 2^{38178216037836} is an apocalyptic number.

38178216037836 is a gapful number since it is divisible by the number (36) 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 38178216037836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56434064086400).

38178216037836 is an abundant number, since it is smaller than the sum of its proper divisors (74689912134964).

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

38178216037836 is a wasteful number, since it uses less digits than its factorization.

38178216037836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329708 (or 329703 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 38178216037836 in words is "thirty-eight trillion, one hundred seventy-eight billion, two hundred sixteen million, thirty-seven thousand, eight hundred thirty-six".