345182361658 has 4 divisors (see below), whose sum is σ = 517773542490. Its totient is φ = 172591180828.

The previous prime is 345182361647. The next prime is 345182361659. The reversal of 345182361658 is 856163281543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 856163281543 = 5101 ⋅167842243.

It can be written as a sum of positive squares in only one way, i.e., 320099087529 + 25083274129 = 565773^2 + 158377^2 .

It is not an unprimeable number, because it can be changed into a prime (345182361659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86295590413 + ... + 86295590416.

Almost surely, 2^345182361658 is an apocalyptic number.

345182361658 is a deficient number, since it is larger than the sum of its proper divisors (172591180832).

345182361658 is a wasteful number, since it uses less digits than its factorization.

345182361658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172591180831.

The product of its digits is 4147200, while the sum is 52.

The spelling of 345182361658 in words is "three hundred forty-five billion, one hundred eighty-two million, three hundred sixty-one thousand, six hundred fifty-eight".