266046002161321 has 16 divisors (see below), whose sum is σ = 267486292103040. Its totient is φ = 264609262995840.

The previous prime is 266046002161309. The next prime is 266046002161333. The reversal of 266046002161321 is 123161200640662.

It is an interprime number because it is at equal distance from previous prime (266046002161309) and next prime (266046002161333).

It is a cyclic number.

It is not a de Polignac number, because 266046002161321 - 2¹⁹ = 266046001637033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266046002141321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4217632060 + ... + 4217695138.

It is an arithmetic number, because the mean of its divisors is an integer number (16717893256440).

Almost surely, 2^{266046002161321} is an apocalyptic number.

It is an amenable number.

266046002161321 is a deficient number, since it is larger than the sum of its proper divisors (1440289941719).

266046002161321 is a wasteful number, since it uses less digits than its factorization.

266046002161321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90864.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 266046002161321 in words is "two hundred sixty-six trillion, forty-six billion, two million, one hundred sixty-one thousand, three hundred twenty-one".