616265260621 has 8 divisors (see below), whose sum is σ = 630607659264. Its totient is φ = 601923346080.

The previous prime is 616265260607. The next prime is 616265260627. The reversal of 616265260621 is 126062562616.

It is a happy number.

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 616265260621 - 2¹¹ = 616265258573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616265260627) 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, 4376505 + ... + 4515121.

It is an arithmetic number, because the mean of its divisors is an integer number (78825957408).

Almost surely, 2^616265260621 is an apocalyptic number.

It is an amenable number.

616265260621 is a deficient number, since it is larger than the sum of its proper divisors (14342398643).

616265260621 is a wasteful number, since it uses less digits than its factorization.

616265260621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242051.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 616265260621 in words is "six hundred sixteen billion, two hundred sixty-five million, two hundred sixty thousand, six hundred twenty-one".