620024246644661 has 8 divisors (see below), whose sum is σ = 620478307296000. Its totient is φ = 619570218203200.

The previous prime is 620024246644657. The next prime is 620024246644739. The reversal of 620024246644661 is 166446642420026.

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

It is a cyclic number.

It is not a de Polignac number, because 620024246644661 - 2² = 620024246644657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620024246643661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30528290 + ... + 46604988.

It is an arithmetic number, because the mean of its divisors is an integer number (77559788412000).

Almost surely, 2^{620024246644661} is an apocalyptic number.

It is an amenable number.

620024246644661 is a deficient number, since it is larger than the sum of its proper divisors (454060651339).

620024246644661 is a wasteful number, since it uses less digits than its factorization.

620024246644661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16104939.

The product of its (nonzero) digits is 15925248, while the sum is 53.

The spelling of 620024246644661 in words is "six hundred twenty trillion, twenty-four billion, two hundred forty-six million, six hundred forty-four thousand, six hundred sixty-one".