1662232485 has 32 divisors (see below), whose sum is σ = 2686919040. Its totient is φ = 877457408.

The previous prime is 1662232483. The next prime is 1662232501. The reversal of 1662232485 is 5842322661.

It is a cyclic number.

It is not a de Polignac number, because 1662232485 - 2¹ = 1662232483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662232483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624277 + ... + 626933.

It is an arithmetic number, because the mean of its divisors is an integer number (83966220).

Almost surely, 2^1662232485 is an apocalyptic number.

1662232485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1662232485 is a deficient number, since it is larger than the sum of its proper divisors (1024686555).

1662232485 is a wasteful number, since it uses less digits than its factorization.

1662232485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077.

The product of its digits is 138240, while the sum is 39.

The square root of 1662232485 is about 40770.4854643650. The cubic root of 1662232485 is about 1184.5787069037.

The spelling of 1662232485 in words is "one billion, six hundred sixty-two million, two hundred thirty-two thousand, four hundred eighty-five".