36616789920 has 96 divisors (see below), whose sum is σ = 115372216512. Its totient is φ = 9761994752.

The previous prime is 36616789871. The next prime is 36616789921. The reversal of 36616789920 is 2998761663.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (36616789921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2624884 + ... + 2638796.

It is an arithmetic number, because the mean of its divisors is an integer number (1201793922).

Almost surely, 2^36616789920 is an apocalyptic number.

36616789920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36616789920 is an abundant number, since it is smaller than the sum of its proper divisors (78755426592).

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

36616789920 is a wasteful number, since it uses less digits than its factorization.

36616789920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19414 (or 19406 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 36616789920 in words is "thirty-six billion, six hundred sixteen million, seven hundred eighty-nine thousand, nine hundred twenty".