616133021505 has 16 divisors (see below), whose sum is σ = 985838095104. Its totient is φ = 328595857920.

The previous prime is 616133021503. The next prime is 616133021513. The reversal of 616133021505 is 505120331616.

It is not a de Polignac number, because 616133021505 - 2¹ = 616133021503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616133021503) 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, 102897 + ... + 1114833.

It is an arithmetic number, because the mean of its divisors is an integer number (61614880944).

Almost surely, 2^616133021505 is an apocalyptic number.

It is an amenable number.

616133021505 is a deficient number, since it is larger than the sum of its proper divisors (369705073599).

616133021505 is a wasteful number, since it uses less digits than its factorization.

616133021505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052536.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 616133021505 in words is "six hundred sixteen billion, one hundred thirty-three million, twenty-one thousand, five hundred five".