36551403216 has 240 divisors, whose sum is σ = 110557923840. Its totient is φ = 11237909760.

The previous prime is 36551403179. The next prime is 36551403221. The reversal of 36551403216 is 61230415563.

36551403216 is a `hidden beast` number, since 36 + 5 + 5 + 1 + 403 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 16122115 + ... + 16124381.

It is an arithmetic number, because the mean of its divisors is an integer number (460658016).

Almost surely, 2^36551403216 is an apocalyptic number.

36551403216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36551403216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55278961920).

36551403216 is an abundant number, since it is smaller than the sum of its proper divisors (74006520624).

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

36551403216 is a wasteful number, since it uses less digits than its factorization.

36551403216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 36551403216 its reverse (61230415563), we get a palindrome (97781818779).

The spelling of 36551403216 in words is "thirty-six billion, five hundred fifty-one million, four hundred three thousand, two hundred sixteen".