103102643646 has 24 divisors (see below), whose sum is σ = 231092133480. Its totient is φ = 33182459856.

The previous prime is 103102643627. The next prime is 103102643701. The reversal of 103102643646 is 646346201301.

103102643646 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 0 + 2 + 6 + 4 + 3 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 103102643646.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 98756800 + ... + 98757843.

It is an arithmetic number, because the mean of its divisors is an integer number (9628838895).

Almost surely, 2^103102643646 is an apocalyptic number.

103102643646 is an abundant number, since it is smaller than the sum of its proper divisors (127989489834).

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

103102643646 is a wasteful number, since it uses less digits than its factorization.

103102643646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197514680 (or 197514677 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 103102643646 its reverse (646346201301), we get a palindrome (749448844947).

The spelling of 103102643646 in words is "one hundred three billion, one hundred two million, six hundred forty-three thousand, six hundred forty-six".