1662240960 has 224 divisors, whose sum is σ = 6209507520. Its totient is φ = 417153024.

The previous prime is 1662240949. The next prime is 1662241003. The reversal of 1662240960 is 690422661.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141222 + ... + 152538.

Almost surely, 2^1662240960 is an apocalyptic number.

1662240960 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 1662240960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104753760).

1662240960 is an abundant number, since it is smaller than the sum of its proper divisors (4547266560).

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

1662240960 is a wasteful number, since it uses less digits than its factorization.

1662240960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360 (or 11344 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1662240960 is about 40770.5893997131. The cubic root of 1662240960 is about 1184.5807201173.

The spelling of 1662240960 in words is "one billion, six hundred sixty-two million, two hundred forty thousand, nine hundred sixty".