340166551 has 2 divisors, whose sum is σ = 340166552. Its totient is φ = 340166550.

The previous prime is 340166509. The next prime is 340166569. The reversal of 340166551 is 155661043.

It is a strong prime.

It is an emirp because it is prime and its reverse (155661043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340166551 - 2²¹ = 338069399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340166591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170083275 + 170083276.

It is an arithmetic number, because the mean of its divisors is an integer number (170083276).

Almost surely, 2^340166551 is an apocalyptic number.

340166551 is a deficient number, since it is larger than the sum of its proper divisors (1).

340166551 is an equidigital number, since it uses as much as digits as its factorization.

340166551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 340166551 is about 18443.6046097285. The cubic root of 340166551 is about 698.0671515814.

The spelling of 340166551 in words is "three hundred forty million, one hundred sixty-six thousand, five hundred fifty-one".