6423665605104 has 160 divisors (see below), whose sum is σ = 18389408716800. Its totient is φ = 1915886407680.

The previous prime is 6423665605099. The next prime is 6423665605121. The reversal of 6423665605104 is 4015065663246.

It is a super-2 number, since 2×6423665605104² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18288612 + ... + 18636540.

It is an arithmetic number, because the mean of its divisors is an integer number (114933804480).

Almost surely, 2^{6423665605104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6423665605104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9194704358400).

6423665605104 is an abundant number, since it is smaller than the sum of its proper divisors (11965743111696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6423665605104 is a wasteful number, since it uses less digits than its factorization.

6423665605104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348503 (or 348497 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 6423665605104 in words is "six trillion, four hundred twenty-three billion, six hundred sixty-five million, six hundred five thousand, one hundred four".