100163433381 has 16 divisors (see below), whose sum is σ = 145753366080. Its totient is φ = 60679653120.

The previous prime is 100163433379. The next prime is 100163433389. The reversal of 100163433381 is 183334361001.

It is not a de Polignac number, because 100163433381 - 2¹ = 100163433379 is a prime.

It is a super-2 number, since 2×100163433381² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100163433389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556420 + ... + 714093.

It is an arithmetic number, because the mean of its divisors is an integer number (9109585380).

Almost surely, 2^100163433381 is an apocalyptic number.

100163433381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100163433381 is a deficient number, since it is larger than the sum of its proper divisors (45589932699).

100163433381 is a wasteful number, since it uses less digits than its factorization.

100163433381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272916.

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 100163433381 its reverse (183334361001), we get a palindrome (283497794382).

The spelling of 100163433381 in words is "one hundred billion, one hundred sixty-three million, four hundred thirty-three thousand, three hundred eighty-one".