100668831428 has 24 divisors (see below), whose sum is σ = 193699236864. Its totient is φ = 45398253600.

The previous prime is 100668831413. The next prime is 100668831463. The reversal of 100668831428 is 824138866001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9002003 + ... + 9013178.

It is an arithmetic number, because the mean of its divisors is an integer number (8070801536).

Almost surely, 2^100668831428 is an apocalyptic number.

It is an amenable number.

100668831428 is a deficient number, since it is larger than the sum of its proper divisors (93030405436).

100668831428 is a wasteful number, since it uses less digits than its factorization.

100668831428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18015323 (or 18015321 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 100668831428 in words is "one hundred billion, six hundred sixty-eight million, eight hundred thirty-one thousand, four hundred twenty-eight".