36001968688 has 80 divisors (see below), whose sum is σ = 85791991104. Its totient is φ = 14283694080.

The previous prime is 36001968649. The next prime is 36001968727. The reversal of 36001968688 is 88686910063.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36001968649) and next prime (36001968727).

It is a super-2 number, since 2×36001968688² (a number of 22 digits) contains 22 as substring.

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, 38845 + ... + 271132.

Almost surely, 2^36001968688 is an apocalyptic number.

It is an amenable number.

36001968688 is an abundant number, since it is smaller than the sum of its proper divisors (49790022416).

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

36001968688 is a wasteful number, since it uses less digits than its factorization.

36001968688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310070 (or 310064 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 36001968688 in words is "thirty-six billion, one million, nine hundred sixty-eight thousand, six hundred eighty-eight".