366521066 has 4 divisors (see below), whose sum is σ = 549781602. Its totient is φ = 183260532.

The previous prime is 366521063. The next prime is 366521069. The reversal of 366521066 is 660125663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660125663 = 509 ⋅1296907.

It is an interprime number because it is at equal distance from previous prime (366521063) and next prime (366521069).

It can be written as a sum of positive squares in only one way, i.e., 300017041 + 66504025 = 17321^2 + 8155^2 .

It is not an unprimeable number, because it can be changed into a prime (366521063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91630265 + ... + 91630268.

Almost surely, 2^366521066 is an apocalyptic number.

366521066 is a deficient number, since it is larger than the sum of its proper divisors (183260536).

366521066 is a wasteful number, since it uses less digits than its factorization.

366521066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183260535.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 366521066 is about 19144.7399042139. The cubic root of 366521066 is about 715.6483050094.

The spelling of 366521066 in words is "three hundred sixty-six million, five hundred twenty-one thousand, sixty-six".