866514337331401 has 4 divisors (see below), whose sum is σ = 945288367997904. Its totient is φ = 787740306664900.

The previous prime is 866514337331341. The next prime is 866514337331417. The reversal of 866514337331401 is 104133733415668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 866514337331401 - 2¹³ = 866514337323209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866514337331101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39387015333235 + ... + 39387015333256.

It is an arithmetic number, because the mean of its divisors is an integer number (236322091999476).

Almost surely, 2^{866514337331401} is an apocalyptic number.

It is an amenable number.

866514337331401 is a deficient number, since it is larger than the sum of its proper divisors (78774030666503).

866514337331401 is a wasteful number, since it uses less digits than its factorization.

866514337331401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78774030666502.

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 866514337331401 in words is "eight hundred sixty-six trillion, five hundred fourteen billion, three hundred thirty-seven million, three hundred thirty-one thousand, four hundred one".