195036771650 has 48 divisors (see below), whose sum is σ = 414669513024. Its totient is φ = 66857321280.

The previous prime is 195036771649. The next prime is 195036771661. The reversal of 195036771650 is 56177630591.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 1943609 + ... + 2041491.

It is an arithmetic number, because the mean of its divisors is an integer number (8638948188).

Almost surely, 2^195036771650 is an apocalyptic number.

195036771650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195036771650 is an abundant number, since it is smaller than the sum of its proper divisors (219632741374).

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

195036771650 is a wasteful number, since it uses less digits than its factorization.

195036771650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103595 (or 103590 counting only the distinct ones).

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 195036771650 in words is "one hundred ninety-five billion, thirty-six million, seven hundred seventy-one thousand, six hundred fifty".