36191616 has 48 divisors (see below), whose sum is σ = 96448140. Its totient is φ = 12024576.

The previous prime is 36191593. The next prime is 36191629. The reversal of 36191616 is 61619163.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117735 + ... + 118041.

Almost surely, 2^36191616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36191616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48224070).

36191616 is an abundant number, since it is smaller than the sum of its proper divisors (60256524).

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

36191616 is an frugal number, since it uses more digits than its factorization.

36191616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 312 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 36191616 is about 6015.9468082755. The cubic root of 36191616 is about 330.7775238203. Note that the first 3 decimals are identical.

The spelling of 36191616 in words is "thirty-six million, one hundred ninety-one thousand, six hundred sixteen".