1602942566400 has 2880 divisors, whose sum is σ = 7566394542300. Its totient is φ = 332943851520.

The previous prime is 1602942566399. The next prime is 1602942566447. The reversal of 1602942566400 is 46652492061.

1602942566400 is a `hidden beast` number, since 1 + 6 + 0 + 2 + 9 + 42 + 566 + 40 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 830343757824 + 772598808576 = 911232^2 + 878976^2 .

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 55273881586 + ... + 55273881614.

Almost surely, 2^{1602942566400} is an apocalyptic number.

1602942566400 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 1602942566400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3783197271150).

1602942566400 is an abundant number, since it is smaller than the sum of its proper divisors (5963451975900).

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

1602942566400 is an equidigital number, since it uses as much as digits as its factorization.

1602942566400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 1602942566400 in words is "one trillion, six hundred two billion, nine hundred forty-two million, five hundred sixty-six thousand, four hundred".