191560145606 has 16 divisors (see below), whose sum is σ = 290257675344. Its totient is φ = 94811549184.

The previous prime is 191560145599. The next prime is 191560145633. The reversal of 191560145606 is 606541065191.

It is a super-2 number, since 2×191560145606² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893540 + ... + 1086983.

It is an arithmetic number, because the mean of its divisors is an integer number (18141104709).

Almost surely, 2^191560145606 is an apocalyptic number.

191560145606 is a deficient number, since it is larger than the sum of its proper divisors (98697529738).

191560145606 is a wasteful number, since it uses less digits than its factorization.

191560145606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981015.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 191560145606 in words is "one hundred ninety-one billion, five hundred sixty million, one hundred forty-five thousand, six hundred six".