195457596672 has 288 divisors, whose sum is σ = 575501183488. Its totient is φ = 58511351808.

The previous prime is 195457596617. The next prime is 195457596767. The reversal of 195457596672 is 276695754591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131798043 + ... + 131799525.

Almost surely, 2^195457596672 is an apocalyptic number.

195457596672 is a gapful number since it is divisible by the number (12) 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 195457596672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287750591744).

195457596672 is an abundant number, since it is smaller than the sum of its proper divisors (380043586816).

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

195457596672 is a wasteful number, since it uses less digits than its factorization.

195457596672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865 (or 1851 counting only the distinct ones).

The product of its digits is 142884000, while the sum is 66.

The spelling of 195457596672 in words is "one hundred ninety-five billion, four hundred fifty-seven million, five hundred ninety-six thousand, six hundred seventy-two".