381600216003636 has 48 divisors (see below), whose sum is σ = 1130667306679680. Its totient is φ = 109028633143680.

The previous prime is 381600216003631. The next prime is 381600216003649. The reversal of 381600216003636 is 636300612006183.

381600216003636 is a `hidden beast` number, since 3 + 8 + 1 + 6 + 0 + 0 + 2 + 1 + 6 + 0 + 0 + 3 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 381600216003591 and 381600216003600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381600216003631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252381094485 + ... + 252381095996.

It is an arithmetic number, because the mean of its divisors is an integer number (23555568889160).

Almost surely, 2^{381600216003636} is an apocalyptic number.

381600216003636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

381600216003636 is an abundant number, since it is smaller than the sum of its proper divisors (749067090676044).

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

381600216003636 is a wasteful number, since it uses less digits than its factorization.

381600216003636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504762190501 (or 504762190493 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 381600216003636 in words is "three hundred eighty-one trillion, six hundred billion, two hundred sixteen million, three thousand, six hundred thirty-six".