1662085744 has 20 divisors (see below), whose sum is σ = 3513045240. Its totient is φ = 755493440.

The previous prime is 1662085741. The next prime is 1662085753. The reversal of 1662085744 is 4475802661.

It is a self number, because there is not a number n which added to its sum of digits gives 1662085744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662085741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4721659 + ... + 4722010.

It is an arithmetic number, because the mean of its divisors is an integer number (175652262).

Almost surely, 2^1662085744 is an apocalyptic number.

It is an amenable number.

1662085744 is an abundant number, since it is smaller than the sum of its proper divisors (1850959496).

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

1662085744 is a wasteful number, since it uses less digits than its factorization.

1662085744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443688 (or 9443682 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 1662085744 is about 40768.6858262564. The cubic root of 1662085744 is about 1184.5438478851.

The spelling of 1662085744 in words is "one billion, six hundred sixty-two million, eighty-five thousand, seven hundred forty-four".