1071110161 has 16 divisors (see below), whose sum is σ = 1283466240. Its totient is φ = 882375120.

The previous prime is 1071110153. The next prime is 1071110197. The reversal of 1071110161 is 1610111701.

It is a happy number.

It is not a de Polignac number, because 1071110161 - 2³ = 1071110153 is a prime.

It is a super-2 number, since 2×1071110161² = 2294553953994891842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1071110141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106605 + ... + 116218.

It is an arithmetic number, because the mean of its divisors is an integer number (80216640).

Almost surely, 2^1071110161 is an apocalyptic number.

1071110161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1071110161 is a deficient number, since it is larger than the sum of its proper divisors (212356079).

1071110161 is a wasteful number, since it uses less digits than its factorization.

1071110161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222876.

The product of its (nonzero) digits is 42, while the sum is 19.

The square root of 1071110161 is about 32727.8193743488. The cubic root of 1071110161 is about 1023.1627324622.

Adding to 1071110161 its reverse (1610111701), we get a palindrome (2681221862).

The spelling of 1071110161 in words is "one billion, seventy-one million, one hundred ten thousand, one hundred sixty-one".