201683681037 has 24 divisors (see below), whose sum is σ = 291688656480. Its totient is φ = 134286158880.

The previous prime is 201683681021. The next prime is 201683681047. The reversal of 201683681037 is 730186386102.

201683681037 is a `hidden beast` number, since 20 + 168 + 368 + 103 + 7 = 666.

It is not a de Polignac number, because 201683681037 - 2⁴ = 201683681021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201683680983 and 201683681001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201683681047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38332987 + ... + 38338247.

It is an arithmetic number, because the mean of its divisors is an integer number (12153694020).

Almost surely, 2^201683681037 is an apocalyptic number.

It is an amenable number.

201683681037 is a deficient number, since it is larger than the sum of its proper divisors (90004975443).

201683681037 is a wasteful number, since it uses less digits than its factorization.

201683681037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9833 (or 9830 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 201683681037 in words is "two hundred one billion, six hundred eighty-three million, six hundred eighty-one thousand, thirty-seven".