1662662343 has 8 divisors (see below), whose sum is σ = 2217081456. Its totient is φ = 1108342400.

The previous prime is 1662662329. The next prime is 1662662357. The reversal of 1662662343 is 3432662661.

1662662343 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1662662329) and next prime (1662662357).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1662662343 - 2²¹ = 1660565191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662662363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34783 + ... + 67343.

It is an arithmetic number, because the mean of its divisors is an integer number (277135182).

Almost surely, 2^1662662343 is an apocalyptic number.

1662662343 is a deficient number, since it is larger than the sum of its proper divisors (554419113).

1662662343 is a wasteful number, since it uses less digits than its factorization.

1662662343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49585.

The product of its digits is 186624, while the sum is 39.

The square root of 1662662343 is about 40775.7568047486. The cubic root of 1662662343 is about 1184.6808098989.

The spelling of 1662662343 in words is "one billion, six hundred sixty-two million, six hundred sixty-two thousand, three hundred forty-three".