1563166160400 has 120 divisors (see below), whose sum is σ = 5392522495360. Its totient is φ = 384779358720.

The previous prime is 1563166160383. The next prime is 1563166160411. The reversal of 1563166160400 is 40616613651.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50085880 + ... + 50117079.

Almost surely, 2^{1563166160400} is an apocalyptic number.

1563166160400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1563166160400 is an abundant number, since it is smaller than the sum of its proper divisors (3829356334960).

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

1563166160400 is a wasteful number, since it uses less digits than its factorization.

1563166160400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100202993 (or 100202982 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 1563166160400 in words is "one trillion, five hundred sixty-three billion, one hundred sixty-six million, one hundred sixty thousand, four hundred".