83580550136 has 64 divisors (see below), whose sum is σ = 161193369600. Its totient is φ = 40611811968.

The previous prime is 83580550121. The next prime is 83580550169. The reversal of 83580550136 is 63105508538.

It is a super-2 number, since 2×83580550136² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 52931795 + ... + 52933373.

It is an arithmetic number, because the mean of its divisors is an integer number (2518646400).

Almost surely, 2^83580550136 is an apocalyptic number.

It is an amenable number.

83580550136 is a deficient number, since it is larger than the sum of its proper divisors (77612819464).

83580550136 is a wasteful number, since it uses less digits than its factorization.

83580550136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 83580550136 in words is "eighty-three billion, five hundred eighty million, five hundred fifty thousand, one hundred thirty-six".