6620146163203 has 4 divisors (see below), whose sum is σ = 6623491362840. Its totient is φ = 6616800963568.

The previous prime is 6620146163173. The next prime is 6620146163237. The reversal of 6620146163203 is 3023616410266.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6620146163203 - 2²⁹ = 6619609292291 is a prime.

It is a super-2 number, since 2×6620146163203² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6620146163803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1672596850 + ... + 1672600807.

It is an arithmetic number, because the mean of its divisors is an integer number (1655872840710).

Almost surely, 2^{6620146163203} is an apocalyptic number.

6620146163203 is a deficient number, since it is larger than the sum of its proper divisors (3345199637).

6620146163203 is a wasteful number, since it uses less digits than its factorization.

6620146163203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345199636.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 6620146163203 in words is "six trillion, six hundred twenty billion, one hundred forty-six million, one hundred sixty-three thousand, two hundred three".