1662463650 has 96 divisors (see below), whose sum is σ = 4306956480. Its totient is φ = 423947520.

The previous prime is 1662463633. The next prime is 1662463679. The reversal of 1662463650 is 563642661.

It is a junction number, because it is equal to n+sod(n) for n = 1662463599 and 1662463608.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324912 + ... + 329988.

It is an arithmetic number, because the mean of its divisors is an integer number (44864130).

Almost surely, 2^1662463650 is an apocalyptic number.

1662463650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1662463650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153478240).

1662463650 is an abundant number, since it is smaller than the sum of its proper divisors (2644492830).

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

1662463650 is a wasteful number, since it uses less digits than its factorization.

1662463650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188 (or 5183 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 1662463650 is about 40773.3203210138. The cubic root of 1662463650 is about 1184.6336170815.

The spelling of 1662463650 in words is "one billion, six hundred sixty-two million, four hundred sixty-three thousand, six hundred fifty".