61328383316 has 36 divisors (see below), whose sum is σ = 110258029140. Its totient is φ = 29845315200.

The previous prime is 61328383309. The next prime is 61328383343. The reversal of 61328383316 is 61338382316.

It can be written as a sum of positive squares in 2 ways, for example, as 32254723216 + 29073660100 = 179596^2 + 170510^2 .

It is a super-2 number, since 2×61328383316² (a number of 22 digits) contains 22 as substring.

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, 1384520 + ... + 1428128.

Almost surely, 2^61328383316 is an apocalyptic number.

It is an amenable number.

61328383316 is a deficient number, since it is larger than the sum of its proper divisors (48929645824).

61328383316 is a wasteful number, since it uses less digits than its factorization.

61328383316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43832 (or 43771 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The spelling of 61328383316 in words is "sixty-one billion, three hundred twenty-eight million, three hundred eighty-three thousand, three hundred sixteen".