201066497 has 8 divisors (see below), whose sum is σ = 214171776. Its totient is φ = 188103232.

The previous prime is 201066491. The next prime is 201066499. The reversal of 201066497 is 794660102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201066497 - 2¹⁸ = 200804353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201066491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32573 + ... + 38250.

It is an arithmetic number, because the mean of its divisors is an integer number (26771472).

Almost surely, 2^201066497 is an apocalyptic number.

It is an amenable number.

201066497 is a deficient number, since it is larger than the sum of its proper divisors (13105279).

201066497 is a wasteful number, since it uses less digits than its factorization.

201066497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71007.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 201066497 is about 14179.7918531973. The cubic root of 201066497 is about 585.8411907988.

The spelling of 201066497 in words is "two hundred one million, sixty-six thousand, four hundred ninety-seven".