266036412021 has 8 divisors (see below), whose sum is σ = 354726116640. Its totient is φ = 177352157712.

The previous prime is 266036412013. The next prime is 266036412043. The reversal of 266036412021 is 120214630662.

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

It is not a de Polignac number, because 266036412021 - 2³ = 266036412013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266036411021) 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, 1247290 + ... + 1444923.

It is an arithmetic number, because the mean of its divisors is an integer number (44340764580).

Almost surely, 2^266036412021 is an apocalyptic number.

It is an amenable number.

266036412021 is a deficient number, since it is larger than the sum of its proper divisors (88689704619).

266036412021 is a wasteful number, since it uses less digits than its factorization.

266036412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725155.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 266036412021 in words is "two hundred sixty-six billion, thirty-six million, four hundred twelve thousand, twenty-one".