1662601334 has 4 divisors (see below), whose sum is σ = 2493902004. Its totient is φ = 831300666.

The previous prime is 1662601333. The next prime is 1662601357. The reversal of 1662601334 is 4331062661.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1662601334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662601333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415650332 + ... + 415650335.

It is an arithmetic number, because the mean of its divisors is an integer number (623475501).

Almost surely, 2^1662601334 is an apocalyptic number.

1662601334 is a deficient number, since it is larger than the sum of its proper divisors (831300670).

1662601334 is an equidigital number, since it uses as much as digits as its factorization.

1662601334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831300669.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1662601334 is about 40775.0086940518. The cubic root of 1662601334 is about 1184.6663196696. Note that the first 3 decimals are identical.

Adding to 1662601334 its reverse (4331062661), we get a palindrome (5993663995).

The spelling of 1662601334 in words is "one billion, six hundred sixty-two million, six hundred one thousand, three hundred thirty-four".