366164666461663 has 4 divisors (see below), whose sum is σ = 368210279123640. Its totient is φ = 364119053799688.

The previous prime is 366164666461597. The next prime is 366164666461673.

It is a happy number.

366164666461663 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 366164666461663 - 2³⁷ = 366027227508191 is a prime.

It is a super-2 number, since 2×366164666461663² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 366164666461592 and 366164666461601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366164666461673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022806330720 + ... + 1022806331077.

It is an arithmetic number, because the mean of its divisors is an integer number (92052569780910).

Almost surely, 2^{366164666461663} is an apocalyptic number.

366164666461663 is a deficient number, since it is larger than the sum of its proper divisors (2045612661977).

366164666461663 is a wasteful number, since it uses less digits than its factorization.

366164666461663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045612661976.

The product of its digits is 1451188224, while the sum is 70.

The spelling of 366164666461663 in words is "three hundred sixty-six trillion, one hundred sixty-four billion, six hundred sixty-six million, four hundred sixty-one thousand, six hundred sixty-three".