1156164041 has 8 divisors (see below), whose sum is σ = 1223196480. Its totient is φ = 1089749808.

The previous prime is 1156164019. The next prime is 1156164089. The reversal of 1156164041 is 1404616511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1156164041 - 2¹⁰ = 1156163017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1156163995 and 1156164013.

It is not an unprimeable number, because it can be changed into a prime (1156164941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150701 + ... + 158186.

It is an arithmetic number, because the mean of its divisors is an integer number (152899560).

Almost surely, 2^1156164041 is an apocalyptic number.

It is an amenable number.

1156164041 is a deficient number, since it is larger than the sum of its proper divisors (67032439).

1156164041 is a wasteful number, since it uses less digits than its factorization.

1156164041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309103.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1156164041 is about 34002.4122820720. The cubic root of 1156164041 is about 1049.5581030920.

The spelling of 1156164041 in words is "one billion, one hundred fifty-six million, one hundred sixty-four thousand, forty-one".