616610541 has 4 divisors (see below), whose sum is σ = 822147392. Its totient is φ = 411073692.

The previous prime is 616610539. The next prime is 616610551. The reversal of 616610541 is 145016616.

616610541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 616610541 - 2¹ = 616610539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616610499 and 616610508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616610551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102768421 + ... + 102768426.

It is an arithmetic number, because the mean of its divisors is an integer number (205536848).

Almost surely, 2^616610541 is an apocalyptic number.

It is an amenable number.

616610541 is a deficient number, since it is larger than the sum of its proper divisors (205536851).

616610541 is a wasteful number, since it uses less digits than its factorization.

616610541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205536850.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 616610541 is about 24831.6439447734. The cubic root of 616610541 is about 851.1451881364.

The spelling of 616610541 in words is "six hundred sixteen million, six hundred ten thousand, five hundred forty-one".