195943474149480 has 512 divisors, whose sum is σ = 717700124160000. Its totient is φ = 47330331485184.

The previous prime is 195943474149463. The next prime is 195943474149481. The reversal of 195943474149480 is 84941474349591.

195943474149480 is a `hidden beast` number, since 1 + 9 + 5 + 9 + 4 + 3 + 47 + 414 + 94 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 195943474149399 and 195943474149408.

It is not an unprimeable number, because it can be changed into a prime (195943474149481) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1198224682 + ... + 1198388198.

It is an arithmetic number, because the mean of its divisors is an integer number (1401758055000).

Almost surely, 2^{195943474149480} is an apocalyptic number.

195943474149480 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 195943474149480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358850062080000).

195943474149480 is an abundant number, since it is smaller than the sum of its proper divisors (521756650010520).

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

195943474149480 is a wasteful number, since it uses less digits than its factorization.

195943474149480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166118 (or 166108 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 72.

The spelling of 195943474149480 in words is "one hundred ninety-five trillion, nine hundred forty-three billion, four hundred seventy-four million, one hundred forty-nine thousand, four hundred eighty".