1662364243 has 8 divisors (see below), whose sum is σ = 1727510400. Its totient is φ = 1597938240.

The previous prime is 1662364241. The next prime is 1662364271. The reversal of 1662364243 is 3424632661.

It is a happy number.

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 1662364243 - 2¹ = 1662364241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1662364241) 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, 175330 + ... + 184567.

It is an arithmetic number, because the mean of its divisors is an integer number (215938800).

Almost surely, 2^1662364243 is an apocalyptic number.

1662364243 is a deficient number, since it is larger than the sum of its proper divisors (65146157).

1662364243 is a wasteful number, since it uses less digits than its factorization.

1662364243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360077.

The product of its digits is 124416, while the sum is 37.

The square root of 1662364243 is about 40772.1012826173. The cubic root of 1662364243 is about 1184.6100048918.

The spelling of 1662364243 in words is "one billion, six hundred sixty-two million, three hundred sixty-four thousand, two hundred forty-three".