146666201 has 4 divisors (see below), whose sum is σ = 159999504. Its totient is φ = 133332900.

The previous prime is 146666197. The next prime is 146666207. The reversal of 146666201 is 102666641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146666201 - 2² = 146666197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146666207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666635 + ... + 6666656.

It is an arithmetic number, because the mean of its divisors is an integer number (39999876).

Almost surely, 2^146666201 is an apocalyptic number.

146666201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146666201 is a deficient number, since it is larger than the sum of its proper divisors (13333303).

146666201 is a wasteful number, since it uses less digits than its factorization.

146666201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333302.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 146666201 is about 12110.5821907950. The cubic root of 146666201 is about 527.3634347702.

The spelling of 146666201 in words is "one hundred forty-six million, six hundred sixty-six thousand, two hundred one".