195900986781036 has 288 divisors, whose sum is σ = 546787993909248. Its totient is φ = 58867572234240.

The previous prime is 195900986781011. The next prime is 195900986781043. The reversal of 195900986781036 is 630187689009591.

195900986781036 is a `hidden beast` number, since 19 + 590 + 0 + 9 + 8 + 6 + 7 + 8 + 10 + 3 + 6 = 666.

195900986781036 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×195900986781036² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2279651526 + ... + 2279737458.

It is an arithmetic number, because the mean of its divisors is an integer number (1898569423296).

Almost surely, 2^{195900986781036} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195900986781036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273393996954624).

195900986781036 is an abundant number, since it is smaller than the sum of its proper divisors (350887007128212).

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

195900986781036 is a wasteful number, since it uses less digits than its factorization.

195900986781036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87221 (or 87216 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 72.

The spelling of 195900986781036 in words is "one hundred ninety-five trillion, nine hundred billion, nine hundred eighty-six million, seven hundred eighty-one thousand, thirty-six".