106721402668 has 12 divisors (see below), whose sum is σ = 186764766552. Its totient is φ = 53360040800.

The previous prime is 106721402657. The next prime is 106721402693. The reversal of 106721402668 is 866204127601.

It is a super-2 number, since 2×106721402668² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468768 + ... + 658168.

It is an arithmetic number, because the mean of its divisors is an integer number (15563730546).

Almost surely, 2^106721402668 is an apocalyptic number.

It is an amenable number.

106721402668 is a deficient number, since it is larger than the sum of its proper divisors (80043363884).

106721402668 is a wasteful number, since it uses less digits than its factorization.

106721402668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330272 (or 330270 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 106721402668 in words is "one hundred six billion, seven hundred twenty-one million, four hundred two thousand, six hundred sixty-eight".