620111144406 has 16 divisors (see below), whose sum is σ = 1335624003504. Its totient is φ = 190803429024.

The previous prime is 620111144327. The next prime is 620111144473. The reversal of 620111144406 is 604441111026.

It is a Curzon number.

It is a congruent number.

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, 3975071361 + ... + 3975071516.

It is an arithmetic number, because the mean of its divisors is an integer number (83476500219).

Almost surely, 2^620111144406 is an apocalyptic number.

620111144406 is an abundant number, since it is smaller than the sum of its proper divisors (715512859098).

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

620111144406 is a wasteful number, since it uses less digits than its factorization.

620111144406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950142895.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 620111144406 in words is "six hundred twenty billion, one hundred eleven million, one hundred forty-four thousand, four hundred six".