616050156065 has 4 divisors (see below), whose sum is σ = 739260187284. Its totient is φ = 492840124848.

The previous prime is 616050156061. The next prime is 616050156077. The reversal of 616050156065 is 560651050616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 165004939264 + 451045216801 = 406208^2 + 671599^2 .

It is a cyclic number.

It is not a de Polignac number, because 616050156065 - 2² = 616050156061 is a prime.

It is a super-4 number, since 4×616050156065⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616050156061) 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, 61605015602 + ... + 61605015611.

It is an arithmetic number, because the mean of its divisors is an integer number (184815046821).

Almost surely, 2^616050156065 is an apocalyptic number.

It is an amenable number.

616050156065 is a deficient number, since it is larger than the sum of its proper divisors (123210031219).

616050156065 is a wasteful number, since it uses less digits than its factorization.

616050156065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123210031218.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 616050156065 in words is "six hundred sixteen billion, fifty million, one hundred fifty-six thousand, sixty-five".