1161455662 has 4 divisors (see below), whose sum is σ = 1742183496. Its totient is φ = 580727830.

The previous prime is 1161455639. The next prime is 1161455717. The reversal of 1161455662 is 2665541611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2665541611 = 929 ⋅2869259.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290363914 + ... + 290363917.

It is an arithmetic number, because the mean of its divisors is an integer number (435545874).

Almost surely, 2^1161455662 is an apocalyptic number.

1161455662 is a deficient number, since it is larger than the sum of its proper divisors (580727834).

1161455662 is an equidigital number, since it uses as much as digits as its factorization.

1161455662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580727833.

The product of its digits is 43200, while the sum is 37.

The square root of 1161455662 is about 34080.1358858793. The cubic root of 1161455662 is about 1051.1568993020.

It can be divided in two parts, 11614 and 55662, that added together give a palindrome (67276).

The spelling of 1161455662 in words is "one billion, one hundred sixty-one million, four hundred fifty-five thousand, six hundred sixty-two".