195553155840000 has 1920 divisors, whose sum is σ = 796705682572800. Its totient is φ = 41644523520000.

The previous prime is 195553155839983. The next prime is 195553155840013. The reversal of 195553155840000 is 48551355591.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×195553155840000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 31153916862 + ... + 31153923138.

It is an arithmetic number, because the mean of its divisors is an integer number (414950876340).

Almost surely, 2^{195553155840000} is an apocalyptic number.

195553155840000 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 195553155840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398352841286400).

195553155840000 is an abundant number, since it is smaller than the sum of its proper divisors (601152526732800).

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

195553155840000 is an equidigital number, since it uses as much as digits as its factorization.

195553155840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409 (or 6374 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 51.

The spelling of 195553155840000 in words is "one hundred ninety-five trillion, five hundred fifty-three billion, one hundred fifty-five million, eight hundred forty thousand".