61582316384 has 24 divisors (see below), whose sum is σ = 121257758160. Its totient is φ = 30786695296.

The previous prime is 61582316353. The next prime is 61582316407. The reversal of 61582316384 is 48361328516.

61582316384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61582316384³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90602 + ... + 362454.

It is an arithmetic number, because the mean of its divisors is an integer number (5052406590).

Almost surely, 2^61582316384 is an apocalyptic number.

It is an amenable number.

61582316384 is a deficient number, since it is larger than the sum of its proper divisors (59675441776).

61582316384 is a wasteful number, since it uses less digits than its factorization.

61582316384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278942 (or 278934 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 61582316384 in words is "sixty-one billion, five hundred eighty-two million, three hundred sixteen thousand, three hundred eighty-four".