1156160601 has 16 divisors (see below), whose sum is σ = 1713381120. Its totient is φ = 770526000.

The previous prime is 1156160597. The next prime is 1156160609. The reversal of 1156160601 is 1060616511.

1156160601 is a `hidden beast` number, since 1 + 1 + 56 + 1 + 6 + 0 + 601 = 666.

It is not a de Polignac number, because 1156160601 - 2² = 1156160597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1156160609) 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, 123771 + ... + 132783.

It is an arithmetic number, because the mean of its divisors is an integer number (107086320).

Almost surely, 2^1156160601 is an apocalyptic number.

It is an amenable number.

1156160601 is a deficient number, since it is larger than the sum of its proper divisors (557220519).

1156160601 is an equidigital number, since it uses as much as digits as its factorization.

1156160601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13773 (or 13767 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1156160601 is about 34002.3616973880. The cubic root of 1156160601 is about 1049.5570621545.

The spelling of 1156160601 in words is "one billion, one hundred fifty-six million, one hundred sixty thousand, six hundred one".