1157020122166 has 8 divisors (see below), whose sum is σ = 1735611003864. Its totient is φ = 578483120880.

The previous prime is 1157020122151. The next prime is 1157020122187. The reversal of 1157020122166 is 6612210207511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13416375 + ... + 13502338.

It is an arithmetic number, because the mean of its divisors is an integer number (216951375483).

Almost surely, 2^{1157020122166} is an apocalyptic number.

1157020122166 is a deficient number, since it is larger than the sum of its proper divisors (578590881698).

1157020122166 is a wasteful number, since it uses less digits than its factorization.

1157020122166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26940206.

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 1157020122166 its reverse (6612210207511), we get a palindrome (7769230329677).

The spelling of 1157020122166 in words is "one trillion, one hundred fifty-seven billion, twenty million, one hundred twenty-two thousand, one hundred sixty-six".