1662574018560 has 960 divisors, whose sum is σ = 6934533161472. Its totient is φ = 330074947584.

The previous prime is 1662574018549. The next prime is 1662574018591. The reversal of 1662574018560 is 658104752661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 380188534 + ... + 380192906.

Almost surely, 2^{1662574018560} is an apocalyptic number.

1662574018560 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 1662574018560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3467266580736).

1662574018560 is an abundant number, since it is smaller than the sum of its proper divisors (5271959142912).

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

1662574018560 is a wasteful number, since it uses less digits than its factorization.

1662574018560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446 (or 4420 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 1662574018560 in words is "one trillion, six hundred sixty-two billion, five hundred seventy-four million, eighteen thousand, five hundred sixty".