340466661 has 12 divisors (see below), whose sum is σ = 493702092. Its totient is φ = 226093056.

The previous prime is 340466653. The next prime is 340466663. The reversal of 340466661 is 166664043.

It can be written as a sum of positive squares in 2 ways, for example, as 234273636 + 106193025 = 15306^2 + 10305^2 .

It is not a de Polignac number, because 340466661 - 2³ = 340466653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340466663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71286 + ... + 75911.

It is an arithmetic number, because the mean of its divisors is an integer number (41141841).

Almost surely, 2^340466661 is an apocalyptic number.

It is an amenable number.

340466661 is a deficient number, since it is larger than the sum of its proper divisors (153235431).

340466661 is a wasteful number, since it uses less digits than its factorization.

340466661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147460 (or 147457 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 340466661 is about 18451.7386985617. The cubic root of 340466661 is about 698.2723798274.

The spelling of 340466661 in words is "three hundred forty million, four hundred sixty-six thousand, six hundred sixty-one".