100640703621 has 16 divisors (see below), whose sum is σ = 135832256000. Its totient is φ = 66276329328.

The previous prime is 100640703617. The next prime is 100640703623. The reversal of 100640703621 is 126307046001.

It is not a de Polignac number, because 100640703621 - 2² = 100640703617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100640703623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 523411 + ... + 689376.

It is an arithmetic number, because the mean of its divisors is an integer number (8489516000).

Almost surely, 2^100640703621 is an apocalyptic number.

It is an amenable number.

100640703621 is a deficient number, since it is larger than the sum of its proper divisors (35191552379).

100640703621 is a wasteful number, since it uses less digits than its factorization.

100640703621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213128.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 100640703621 its reverse (126307046001), we get a palindrome (226947749622).

The spelling of 100640703621 in words is "one hundred billion, six hundred forty million, seven hundred three thousand, six hundred twenty-one".