36640166541 has 32 divisors (see below), whose sum is σ = 54808109568. Its totient is φ = 21583448640.

The previous prime is 36640166539. The next prime is 36640166543. The reversal of 36640166541 is 14566104663.

It is an interprime number because it is at equal distance from previous prime (36640166539) and next prime (36640166543).

It is not a de Polignac number, because 36640166541 - 2¹ = 36640166539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36640166493 and 36640166502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36640166543) 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, 89250 + ... + 285036.

It is an arithmetic number, because the mean of its divisors is an integer number (1712753424).

Almost surely, 2^36640166541 is an apocalyptic number.

It is an amenable number.

36640166541 is a deficient number, since it is larger than the sum of its proper divisors (18167943027).

36640166541 is a wasteful number, since it uses less digits than its factorization.

36640166541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195961.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 36640166541 in words is "thirty-six billion, six hundred forty million, one hundred sixty-six thousand, five hundred forty-one".