366672091 has 2 divisors, whose sum is σ = 366672092. Its totient is φ = 366672090.

The previous prime is 366672083. The next prime is 366672107. The reversal of 366672091 is 190276663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 366672091 - 2³ = 366672083 is a prime.

It is not a weakly prime, because it can be changed into another prime (366672041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183336045 + 183336046.

It is an arithmetic number, because the mean of its divisors is an integer number (183336046).

Almost surely, 2^366672091 is an apocalyptic number.

366672091 is a deficient number, since it is larger than the sum of its proper divisors (1).

366672091 is an equidigital number, since it uses as much as digits as its factorization.

366672091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 366672091 is about 19148.6837928877. The cubic root of 366672091 is about 715.7465858031.

It can be divided in two parts, 3666 and 72091, that added together give a palindrome (75757).

The spelling of 366672091 in words is "three hundred sixty-six million, six hundred seventy-two thousand, ninety-one".