35664161 has 4 divisors (see below), whose sum is σ = 38407572. Its totient is φ = 32920752.

The previous prime is 35664131. The next prime is 35664179. The reversal of 35664161 is 16146653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16146653 = 127 ⋅127139.

It can be written as a sum of positive squares in 2 ways, for example, as 19009600 + 16654561 = 4360^2 + 4081^2 .

It is a cyclic number.

It is not a de Polignac number, because 35664161 - 2¹⁰ = 35663137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35664131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371686 + ... + 1371711.

It is an arithmetic number, because the mean of its divisors is an integer number (9601893).

Almost surely, 2^35664161 is an apocalyptic number.

It is an amenable number.

35664161 is a deficient number, since it is larger than the sum of its proper divisors (2743411).

35664161 is a wasteful number, since it uses less digits than its factorization.

35664161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743410.

The product of its digits is 12960, while the sum is 32.

The square root of 35664161 is about 5971.9478396918. The cubic root of 35664161 is about 329.1627413372.

The spelling of 35664161 in words is "thirty-five million, six hundred sixty-four thousand, one hundred sixty-one".