36661699 has 2 divisors, whose sum is σ = 36661700. Its totient is φ = 36661698.

The previous prime is 36661679. The next prime is 36661711. The reversal of 36661699 is 99616663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36661699 - 2⁹ = 36661187 is a prime.

It is not a weakly prime, because it can be changed into another prime (36661619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18330849 + 18330850.

It is an arithmetic number, because the mean of its divisors is an integer number (18330850).

Almost surely, 2^36661699 is an apocalyptic number.

36661699 is a deficient number, since it is larger than the sum of its proper divisors (1).

36661699 is an equidigital number, since it uses as much as digits as its factorization.

36661699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 46.

The square root of 36661699 is about 6054.8905027259. The cubic root of 36661699 is about 332.2034939379.

The spelling of 36661699 in words is "thirty-six million, six hundred sixty-one thousand, six hundred ninety-nine".