1160211601 has 4 divisors (see below), whose sum is σ = 1163717104. Its totient is φ = 1156706100.

The previous prime is 1160211583. The next prime is 1160211623. The reversal of 1160211601 is 1061120611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1061120611 = 31181 ⋅34031.

It is a cyclic number.

It is not a de Polignac number, because 1160211601 - 2⁷ = 1160211473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1160211901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752255 + ... + 1752916.

It is an arithmetic number, because the mean of its divisors is an integer number (290929276).

Almost surely, 2^1160211601 is an apocalyptic number.

It is an amenable number.

1160211601 is a deficient number, since it is larger than the sum of its proper divisors (3505503).

1160211601 is an equidigital number, since it uses as much as digits as its factorization.

1160211601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505502.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1160211601 is about 34061.8789998438. The cubic root of 1160211601 is about 1050.7814593756.

The spelling of 1160211601 in words is "one billion, one hundred sixty million, two hundred eleven thousand, six hundred one".