36665671 has 10 divisors (see below), whose sum is σ = 42776872. Its totient is φ = 31425660.

The previous prime is 36665663. The next prime is 36665677. The reversal of 36665671 is 17656663.

It is not a de Polignac number, because 36665671 - 2³ = 36665663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36665677) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5235 + ... + 10036.

Almost surely, 2^36665671 is an apocalyptic number.

36665671 is a deficient number, since it is larger than the sum of its proper divisors (6111201).

36665671 is an frugal number, since it uses more digits than its factorization.

36665671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15299 (or 15278 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 36665671 is about 6055.2184931677. The cubic root of 36665671 is about 332.2154906962.

The spelling of 36665671 in words is "thirty-six million, six hundred sixty-five thousand, six hundred seventy-one".