1662607144 has 32 divisors (see below), whose sum is σ = 3451557600. Its totient is φ = 744448320.

The previous prime is 1662607139. The next prime is 1662607147. The reversal of 1662607144 is 4417062661.

It is not an unprimeable number, because it can be changed into a prime (1662607147) 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, 135099 + ... + 146890.

It is an arithmetic number, because the mean of its divisors is an integer number (107861175).

Almost surely, 2^1662607144 is an apocalyptic number.

It is an amenable number.

1662607144 is an abundant number, since it is smaller than the sum of its proper divisors (1788950456).

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

1662607144 is a wasteful number, since it uses less digits than its factorization.

1662607144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282073 (or 282069 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1662607144 is about 40775.0799386096. The cubic root of 1662607144 is about 1184.6676996163.

It can be divided in two parts, 1662 and 607144, that added together give a palindrome (608806).

The spelling of 1662607144 in words is "one billion, six hundred sixty-two million, six hundred seven thousand, one hundred forty-four".