191822060952 has 80 divisors (see below), whose sum is σ = 540248108400. Its totient is φ = 63587384640.

The previous prime is 191822060939. The next prime is 191822060971. The reversal of 191822060952 is 259060228191.

It is a happy number.

191822060952 is a `hidden beast` number, since 1 + 9 + 18 + 2 + 20 + 609 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 191822060898 and 191822060907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 700452 + ... + 935027.

It is an arithmetic number, because the mean of its divisors is an integer number (6753101355).

Almost surely, 2^191822060952 is an apocalyptic number.

191822060952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

191822060952 is an abundant number, since it is smaller than the sum of its proper divisors (348426047448).

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

191822060952 is a wasteful number, since it uses less digits than its factorization.

191822060952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635678 (or 1635665 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 191822060952 in words is "one hundred ninety-one billion, eight hundred twenty-two million, sixty thousand, nine hundred fifty-two".