36666137730 has 128 divisors (see below), whose sum is σ = 90790834176. Its totient is φ = 9472320000.

The previous prime is 36666137719. The next prime is 36666137743. The reversal of 36666137730 is 3773166663.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36666137730.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110773665 + ... + 110773995.

It is an arithmetic number, because the mean of its divisors is an integer number (709303392).

Almost surely, 2^36666137730 is an apocalyptic number.

36666137730 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 36666137730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45395417088).

36666137730 is an abundant number, since it is smaller than the sum of its proper divisors (54124696446).

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

36666137730 is a wasteful number, since it uses less digits than its factorization.

36666137730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its (nonzero) digits is 1714608, while the sum is 48.

The spelling of 36666137730 in words is "thirty-six billion, six hundred sixty-six million, one hundred thirty-seven thousand, seven hundred thirty".