103706448646 has 4 divisors (see below), whose sum is σ = 155559672972. Its totient is φ = 51853224322.

The previous prime is 103706448613. The next prime is 103706448647. The reversal of 103706448646 is 646844607301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646844607301 = 419 ⋅1543781879.

It is a self number, because there is not a number n which added to its sum of digits gives 103706448646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103706448647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25926612160 + ... + 25926612163.

It is an arithmetic number, because the mean of its divisors is an integer number (38889918243).

Almost surely, 2^103706448646 is an apocalyptic number.

103706448646 is a deficient number, since it is larger than the sum of its proper divisors (51853224326).

103706448646 is an equidigital number, since it uses as much as digits as its factorization.

103706448646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51853224325.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 103706448646 in words is "one hundred three billion, seven hundred six million, four hundred forty-eight thousand, six hundred forty-six".