1616036845 has 12 divisors (see below), whose sum is σ = 1972691100. Its totient is φ = 1270903424.

The previous prime is 1616036839. The next prime is 1616036857. The reversal of 1616036845 is 5486306161.

It can be written as a sum of positive squares in 2 ways, for example, as 532178761 + 1083858084 = 23069^2 + 32922^2 .

It is not a de Polignac number, because 1616036845 - 2³ = 1616036837 is a prime.

It is a super-2 number, since 2×1616036845² = 5223150168795108050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616036798 and 1616036807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29020 + ... + 63829.

It is an arithmetic number, because the mean of its divisors is an integer number (164390925).

Almost surely, 2^1616036845 is an apocalyptic number.

It is an amenable number.

1616036845 is a deficient number, since it is larger than the sum of its proper divisors (356654255).

1616036845 is an frugal number, since it uses more digits than its factorization.

1616036845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92972 (or 92913 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1616036845 is about 40199.9607586873. The cubic root of 1616036845 is about 1173.5017802149.

The spelling of 1616036845 in words is "one billion, six hundred sixteen million, thirty-six thousand, eight hundred forty-five".