340661151 has 6 divisors (see below), whose sum is σ = 492066120. Its totient is φ = 227107428.

The previous prime is 340661137. The next prime is 340661161. The reversal of 340661151 is 151166043.

340661151 is a `hidden beast` number, since 3 + 40 + 6 + 611 + 5 + 1 = 666.

It is not a de Polignac number, because 340661151 - 2⁷ = 340661023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340661131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18925611 + ... + 18925628.

It is an arithmetic number, because the mean of its divisors is an integer number (82011020).

Almost surely, 2^340661151 is an apocalyptic number.

340661151 is a deficient number, since it is larger than the sum of its proper divisors (151404969).

340661151 is a wasteful number, since it uses less digits than its factorization.

340661151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37851245 (or 37851242 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 340661151 is about 18457.0081811761. The cubic root of 340661151 is about 698.4053161363.

The spelling of 340661151 in words is "three hundred forty million, six hundred sixty-one thousand, one hundred fifty-one".