106721561830846 has 4 divisors (see below), whose sum is σ = 160082342746272. Its totient is φ = 53360780915422.

The previous prime is 106721561830837. The next prime is 106721561830861. The reversal of 106721561830846 is 648038165127601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×106721561830846² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 26680390457710 + ... + 26680390457713.

It is an arithmetic number, because the mean of its divisors is an integer number (40020585686568).

Almost surely, 2^{106721561830846} is an apocalyptic number.

106721561830846 is a deficient number, since it is larger than the sum of its proper divisors (53360780915426).

106721561830846 is an equidigital number, since it uses as much as digits as its factorization.

106721561830846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53360780915425.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 106721561830846 in words is "one hundred six trillion, seven hundred twenty-one billion, five hundred sixty-one million, eight hundred thirty thousand, eight hundred forty-six".