199571622972480 has 672 divisors, whose sum is σ = 781518144026880. Its totient is φ = 46270820597760.

The previous prime is 199571622972467. The next prime is 199571622972487. The reversal of 199571622972480 is 84279226175991.

It is a happy number.

199571622972480 is a `hidden beast` number, since 1 + 9 + 9 + 5 + 71 + 6 + 2 + 2 + 9 + 72 + 480 = 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 = 199571622972399 and 199571622972408.

It is not an unprimeable number, because it can be changed into a prime (199571622972487) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6567217126 + ... + 6567247514.

Almost surely, 2^{199571622972480} is an apocalyptic number.

199571622972480 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 199571622972480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390759072013440).

199571622972480 is an abundant number, since it is smaller than the sum of its proper divisors (581946521054400).

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

199571622972480 is a wasteful number, since it uses less digits than its factorization.

199571622972480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39459 (or 39446 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 199571622972480 in words is "one hundred ninety-nine trillion, five hundred seventy-one billion, six hundred twenty-two million, nine hundred seventy-two thousand, four hundred eighty".