36198670681 has 24 divisors (see below), whose sum is σ = 38299806720. Its totient is φ = 34207389216.

The previous prime is 36198670663. The next prime is 36198670699. The reversal of 36198670681 is 18607689163.

It is an interprime number because it is at equal distance from previous prime (36198670663) and next prime (36198670699).

It is not a de Polignac number, because 36198670681 - 2³¹ = 34051187033 is a prime.

It is a super-2 number, since 2×36198670681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36198670621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18071226 + ... + 18073228.

It is an arithmetic number, because the mean of its divisors is an integer number (1595825280).

Almost surely, 2^36198670681 is an apocalyptic number.

It is an amenable number.

36198670681 is a deficient number, since it is larger than the sum of its proper divisors (2101136039).

36198670681 is a wasteful number, since it uses less digits than its factorization.

36198670681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 36198670681 in words is "thirty-six billion, one hundred ninety-eight million, six hundred seventy thousand, six hundred eighty-one".