49666585086 has 96 divisors (see below), whose sum is σ = 117290234880. Its totient is φ = 15131318400.

The previous prime is 49666585039. The next prime is 49666585097. The reversal of 49666585086 is 68058566694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3502186 + ... + 3516338.

It is an arithmetic number, because the mean of its divisors is an integer number (1221773280).

Almost surely, 2^49666585086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49666585086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58645117440).

49666585086 is an abundant number, since it is smaller than the sum of its proper divisors (67623649794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49666585086 is a wasteful number, since it uses less digits than its factorization.

49666585086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542 (or 14539 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 49666585086 in words is "forty-nine billion, six hundred sixty-six million, five hundred eighty-five thousand, eighty-six".