195655641000 has 128 divisors (see below), whose sum is σ = 636986937600. Its totient is φ = 49906348800.

The previous prime is 195655640953. The next prime is 195655641007. The reversal of 195655641000 is 146556591.

It is a super-2 number, since 2×195655641000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195655641007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1348795 + ... + 1486794.

It is an arithmetic number, because the mean of its divisors is an integer number (4976460450).

Almost surely, 2^195655641000 is an apocalyptic number.

195655641000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195655641000 is an abundant number, since it is smaller than the sum of its proper divisors (441331296600).

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

195655641000 is a wasteful number, since it uses less digits than its factorization.

195655641000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835636 (or 2835622 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 195655641000 in words is "one hundred ninety-five billion, six hundred fifty-five million, six hundred forty-one thousand".