620124663 has 8 divisors (see below), whose sum is σ = 826949248. Its totient is φ = 413358264.

The previous prime is 620124649. The next prime is 620124667. The reversal of 620124663 is 366421026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620124663 - 2¹⁶ = 620059127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620124663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620124667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28656 + ... + 45402.

It is an arithmetic number, because the mean of its divisors is an integer number (103368656).

Almost surely, 2^620124663 is an apocalyptic number.

620124663 is a deficient number, since it is larger than the sum of its proper divisors (206824585).

620124663 is a wasteful number, since it uses less digits than its factorization.

620124663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29093.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 620124663 is about 24902.3023634362. The cubic root of 620124663 is about 852.7590452384.

Adding to 620124663 its reverse (366421026), we get a palindrome (986545689).

The spelling of 620124663 in words is "six hundred twenty million, one hundred twenty-four thousand, six hundred sixty-three".