103661433612 has 48 divisors (see below), whose sum is σ = 293183856000. Its totient is φ = 31412555280.

The previous prime is 103661433593. The next prime is 103661433649. The reversal of 103661433612 is 216334166301.

103661433612 is a `hidden beast` number, since 1 + 0 + 3 + 6 + 6 + 1 + 4 + 33 + 612 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43627362 + ... + 43629737.

It is an arithmetic number, because the mean of its divisors is an integer number (6107997000).

Almost surely, 2^103661433612 is an apocalyptic number.

103661433612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103661433612 is an abundant number, since it is smaller than the sum of its proper divisors (189522422388).

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

103661433612 is a wasteful number, since it uses less digits than its factorization.

103661433612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87257123 (or 87257115 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 103661433612 its reverse (216334166301), we get a palindrome (319995599913).

The spelling of 103661433612 in words is "one hundred three billion, six hundred sixty-one million, four hundred thirty-three thousand, six hundred twelve".