620711016667 has 16 divisors (see below), whose sum is σ = 710820840960. Its totient is φ = 530961484608.

The previous prime is 620711016619. The next prime is 620711016773. The reversal of 620711016667 is 766610117026.

It is a cyclic number.

It is not a de Polignac number, because 620711016667 - 2¹¹ = 620711014619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620711016617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6965688 + ... + 7054234.

It is an arithmetic number, because the mean of its divisors is an integer number (44426302560).

Almost surely, 2^620711016667 is an apocalyptic number.

620711016667 is a deficient number, since it is larger than the sum of its proper divisors (90109824293).

620711016667 is a wasteful number, since it uses less digits than its factorization.

620711016667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90570.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 620711016667 in words is "six hundred twenty billion, seven hundred eleven million, sixteen thousand, six hundred sixty-seven".