1662024080 has 80 divisors (see below), whose sum is σ = 4013743104. Its totient is φ = 639352320.

The previous prime is 1662024079. The next prime is 1662024083. The reversal of 1662024080 is 804202661.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1662024083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412154 + ... + 416166.

Almost surely, 2^1662024080 is an apocalyptic number.

1662024080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1662024080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006871552).

1662024080 is an abundant number, since it is smaller than the sum of its proper divisors (2351719024).

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

1662024080 is a wasteful number, since it uses less digits than its factorization.

1662024080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1662024080 is about 40767.9295525294. The cubic root of 1662024080 is about 1184.5291986979.

The spelling of 1662024080 in words is "one billion, six hundred sixty-two million, twenty-four thousand, eighty".