36685516720 has 40 divisors (see below), whose sum is σ = 85467632400. Its totient is φ = 14644304640.

The previous prime is 36685516697. The next prime is 36685516739. The reversal of 36685516720 is 2761558663.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427695 + ... + 506254.

It is an arithmetic number, because the mean of its divisors is an integer number (2136690810).

Almost surely, 2^36685516720 is an apocalyptic number.

It is an amenable number.

36685516720 is an abundant number, since it is smaller than the sum of its proper divisors (48782115680).

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

36685516720 is a wasteful number, since it uses less digits than its factorization.

36685516720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934453 (or 934447 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 36685516720 in words is "thirty-six billion, six hundred eighty-five million, five hundred sixteen thousand, seven hundred twenty".