616111214421 has 16 divisors (see below), whose sum is σ = 839670559488. Its totient is φ = 401661144000.

The previous prime is 616111214419. The next prime is 616111214449. The reversal of 616111214421 is 124412111616.

It is not a de Polignac number, because 616111214421 - 2¹ = 616111214419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616111214471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683430 + ... + 2016471.

It is an arithmetic number, because the mean of its divisors is an integer number (52479409968).

Almost surely, 2^616111214421 is an apocalyptic number.

It is an amenable number.

616111214421 is a deficient number, since it is larger than the sum of its proper divisors (223559345067).

616111214421 is a wasteful number, since it uses less digits than its factorization.

616111214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701132.

The product of its digits is 2304, while the sum is 30.

The spelling of 616111214421 in words is "six hundred sixteen billion, one hundred eleven million, two hundred fourteen thousand, four hundred twenty-one".