36636851550 has 192 divisors, whose sum is σ = 100919540736. Its totient is φ = 8739494400.

The previous prime is 36636851509. The next prime is 36636851579. The reversal of 36636851550 is 5515863663.

It is a self number, because there is not a number n which added to its sum of digits gives 36636851550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8575915 + ... + 8580185.

It is an arithmetic number, because the mean of its divisors is an integer number (525622608).

Almost surely, 2^36636851550 is an apocalyptic number.

36636851550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36636851550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50459770368).

36636851550 is an abundant number, since it is smaller than the sum of its proper divisors (64282689186).

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

36636851550 is a wasteful number, since it uses less digits than its factorization.

36636851550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435 (or 4430 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 36636851550 in words is "thirty-six billion, six hundred thirty-six million, eight hundred fifty-one thousand, five hundred fifty".