1662344316 has 48 divisors (see below), whose sum is σ = 4401492480. Its totient is φ = 542323440.

The previous prime is 1662344309. The next prime is 1662344317. The reversal of 1662344316 is 6134432661.

1662344316 is a `hidden beast` number, since 16 + 623 + 4 + 4 + 3 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662344317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158670 + ... + 168821.

It is an arithmetic number, because the mean of its divisors is an integer number (91697760).

Almost surely, 2^1662344316 is an apocalyptic number.

It is an amenable number.

1662344316 is an abundant number, since it is smaller than the sum of its proper divisors (2739148164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1662344316 is a wasteful number, since it uses less digits than its factorization.

1662344316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327551 (or 327543 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 1662344316 is about 40771.8569113549. The cubic root of 1662344316 is about 1184.6052715092.

Adding to 1662344316 its reverse (6134432661), we get a palindrome (7796776977).

The spelling of 1662344316 in words is "one billion, six hundred sixty-two million, three hundred forty-four thousand, three hundred sixteen".