36664551 has 48 divisors (see below), whose sum is σ = 66613248. Its totient is φ = 18878400.

The previous prime is 36664549. The next prime is 36664583. The reversal of 36664551 is 15546663.

It is not a de Polignac number, because 36664551 - 2¹ = 36664549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132225 + ... + 132501.

It is an arithmetic number, because the mean of its divisors is an integer number (1387776).

Almost surely, 2^36664551 is an apocalyptic number.

36664551 is a deficient number, since it is larger than the sum of its proper divisors (29948697).

36664551 is a wasteful number, since it uses less digits than its factorization.

36664551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 489 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 36664551 is about 6055.1260102495. The cubic root of 36664551 is about 332.2121080122.

The spelling of 36664551 in words is "thirty-six million, six hundred sixty-four thousand, five hundred fifty-one".