1662423246 has 72 divisors (see below), whose sum is σ = 4039091784. Its totient is φ = 490069440.

The previous prime is 1662423223. The next prime is 1662423253. The reversal of 1662423246 is 6423242661.

1662423246 is a `hidden beast` number, since 1 + 6 + 624 + 2 + 3 + 24 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1662423246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 267996 + ... + 274128.

It is an arithmetic number, because the mean of its divisors is an integer number (56098497).

Almost surely, 2^1662423246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1662423246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019545892).

1662423246 is an abundant number, since it is smaller than the sum of its proper divisors (2376668538).

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

1662423246 is a wasteful number, since it uses less digits than its factorization.

1662423246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226 (or 6186 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 1662423246 is about 40772.8248469492. The cubic root of 1662423246 is about 1184.6240200146.

The spelling of 1662423246 in words is "one billion, six hundred sixty-two million, four hundred twenty-three thousand, two hundred forty-six".