36690387657 has 32 divisors (see below), whose sum is σ = 61061382144. Its totient is φ = 19038201600.

The previous prime is 36690387631. The next prime is 36690387667. The reversal of 36690387657 is 75678309663.

It is not a de Polignac number, because 36690387657 - 2⁷ = 36690387529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36690387657.

It is not an unprimeable number, because it can be changed into a prime (36690387607) 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 31 ways as a sum of consecutive naturals, for example, 113368 + ... + 293654.

It is an arithmetic number, because the mean of its divisors is an integer number (1908168192).

Almost surely, 2^36690387657 is an apocalyptic number.

It is an amenable number.

36690387657 is a deficient number, since it is larger than the sum of its proper divisors (24370994487).

36690387657 is a wasteful number, since it uses less digits than its factorization.

36690387657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181189.

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 36690387657 in words is "thirty-six billion, six hundred ninety million, three hundred eighty-seven thousand, six hundred fifty-seven".