620260646626 has 8 divisors (see below), whose sum is σ = 930706045164. Its totient is φ = 310025298240.

The previous prime is 620260646587. The next prime is 620260646713. The reversal of 620260646626 is 626646062026.

It can be written as a sum of positive squares in 2 ways, for example, as 617718974401 + 2541672225 = 785951^2 + 50415^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 52505155 + ... + 52516966.

Almost surely, 2^620260646626 is an apocalyptic number.

620260646626 is a deficient number, since it is larger than the sum of its proper divisors (310445398538).

620260646626 is a wasteful number, since it uses less digits than its factorization.

620260646626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105025076.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 620260646626 in words is "six hundred twenty billion, two hundred sixty million, six hundred forty-six thousand, six hundred twenty-six".