36520356608 has 144 divisors (see below), whose sum is σ = 79152837120. Its totient is φ = 16761581568.

The previous prime is 36520356599. The next prime is 36520356623. The reversal of 36520356608 is 80665302563.

It is a Cunningham number, because it is equal to 191103²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24460310 + ... + 24461802.

It is an arithmetic number, because the mean of its divisors is an integer number (549672480).

Almost surely, 2^36520356608 is an apocalyptic number.

36520356608 is a gapful number since it is divisible by the number (38) 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 36520356608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39576418560).

36520356608 is an abundant number, since it is smaller than the sum of its proper divisors (42632480512).

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

36520356608 is a wasteful number, since it uses less digits than its factorization.

36520356608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 36520356608 in words is "thirty-six billion, five hundred twenty million, three hundred fifty-six thousand, six hundred eight".