266146033 has 8 divisors (see below), whose sum is σ = 282159720. Its totient is φ = 250172160.

The previous prime is 266146031. The next prime is 266146037. The reversal of 266146033 is 330641662.

It can be written as a sum of positive squares in 4 ways, for example, as 131400369 + 134745664 = 11463^2 + 11608^2 .

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 266146033 - 2¹ = 266146031 is a prime.

It is a super-3 number, since 3×266146033³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266145986 and 266146004.

It is not an unprimeable number, because it can be changed into a prime (266146031) 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, 4423 + ... + 23491.

It is an arithmetic number, because the mean of its divisors is an integer number (35269965).

Almost surely, 2^266146033 is an apocalyptic number.

It is an amenable number.

266146033 is a deficient number, since it is larger than the sum of its proper divisors (16013687).

266146033 is a wasteful number, since it uses less digits than its factorization.

266146033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19907.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 266146033 is about 16313.9827448726. The cubic root of 266146033 is about 643.2404282663.

Adding to 266146033 its reverse (330641662), we get a palindrome (596787695).

The spelling of 266146033 in words is "two hundred sixty-six million, one hundred forty-six thousand, thirty-three".