201165010397 has 8 divisors (see below), whose sum is σ = 216645711744. Its totient is φ = 185685233328.

The previous prime is 201165010381. The next prime is 201165010399. The reversal of 201165010397 is 793010561102.

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

It is a cyclic number.

It is not a de Polignac number, because 201165010397 - 2⁴ = 201165010381 is a prime.

It is a super-2 number, since 2×201165010397² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201165010399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259568 + ... + 685350.

It is an arithmetic number, because the mean of its divisors is an integer number (27080713968).

Almost surely, 2^201165010397 is an apocalyptic number.

It is an amenable number.

201165010397 is a deficient number, since it is larger than the sum of its proper divisors (15480701347).

201165010397 is a wasteful number, since it uses less digits than its factorization.

201165010397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462139.

The product of its (nonzero) digits is 11340, while the sum is 35.

Adding to 201165010397 its reverse (793010561102), we get a palindrome (994175571499).

The spelling of 201165010397 in words is "two hundred one billion, one hundred sixty-five million, ten thousand, three hundred ninety-seven".