100448164657 has 4 divisors (see below), whose sum is σ = 103162979956. Its totient is φ = 97733349360.

The previous prime is 100448164631. The next prime is 100448164681. The reversal of 100448164657 is 756461844001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67265534736 + 33182629921 = 259356^2 + 182161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100448164657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100448164697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357407594 + ... + 1357407667.

It is an arithmetic number, because the mean of its divisors is an integer number (25790744989).

Almost surely, 2^100448164657 is an apocalyptic number.

It is an amenable number.

100448164657 is a deficient number, since it is larger than the sum of its proper divisors (2714815299).

100448164657 is an equidigital number, since it uses as much as digits as its factorization.

100448164657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714815298.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 100448164657 in words is "one hundred billion, four hundred forty-eight million, one hundred sixty-four thousand, six hundred fifty-seven".