191532147756196 has 81 divisors (see below), whose sum is σ = 379430587130049. Its totient is φ = 84552344708832.

The previous prime is 191532147756137. The next prime is 191532147756217. The reversal of 191532147756196 is 691657741235191.

The square root of 191532147756196 is 13839514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28333157952100 + 163198989804096 = 5322890^2 + 12774936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8276017801 + ... + 8276040943.

Almost surely, 2^{191532147756196} is an apocalyptic number.

191532147756196 is the 13839514-th square number.

It is an amenable number.

191532147756196 is a deficient number, since it is larger than the sum of its proper divisors (187898439373853).

191532147756196 is an frugal number, since it uses more digits than its factorization.

191532147756196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46362 (or 23181 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 67.

The spelling of 191532147756196 in words is "one hundred ninety-one trillion, five hundred thirty-two billion, one hundred forty-seven million, seven hundred fifty-six thousand, one hundred ninety-six".