101604209845 has 16 divisors (see below), whose sum is σ = 122207880960. Its totient is φ = 81094984704.

The previous prime is 101604209831. The next prime is 101604209851. The reversal of 101604209845 is 548902406101.

It is a cyclic number.

It is not a de Polignac number, because 101604209845 - 2⁵ = 101604209813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101604209798 and 101604209807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5411544 + ... + 5430286.

It is an arithmetic number, because the mean of its divisors is an integer number (7637992560).

Almost surely, 2^101604209845 is an apocalyptic number.

It is an amenable number.

101604209845 is a deficient number, since it is larger than the sum of its proper divisors (20603671115).

101604209845 is a wasteful number, since it uses less digits than its factorization.

101604209845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21204.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 101604209845 in words is "one hundred one billion, six hundred four million, two hundred nine thousand, eight hundred forty-five".