36652666 has 4 divisors (see below), whose sum is σ = 54979002. Its totient is φ = 18326332.

The previous prime is 36652661. The next prime is 36652673. The reversal of 36652666 is 66625663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66625663 = 13 ⋅5125051.

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 1901641 = 5895^2 + 1379^2 .

It is not an unprimeable number, because it can be changed into a prime (36652661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9163165 + ... + 9163168.

Almost surely, 2^36652666 is an apocalyptic number.

36652666 is a deficient number, since it is larger than the sum of its proper divisors (18326336).

36652666 is a wasteful number, since it uses less digits than its factorization.

36652666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18326335.

The product of its digits is 233280, while the sum is 40.

The square root of 36652666 is about 6054.1445308152. The cubic root of 36652666 is about 332.1762080534.

The spelling of 36652666 in words is "thirty-six million, six hundred fifty-two thousand, six hundred sixty-six".