1156614066 has 40 divisors (see below), whose sum is σ = 2598756204. Its totient is φ = 384484320.

The previous prime is 1156614029. The next prime is 1156614077. The reversal of 1156614066 is 6604166511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1154300625 + 2313441 = 33975^2 + 1521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1156614066.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50856 + ... + 69996.

Almost surely, 2^1156614066 is an apocalyptic number.

1156614066 is an abundant number, since it is smaller than the sum of its proper divisors (1442142138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156614066 is a wasteful number, since it uses less digits than its factorization.

1156614066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19528 (or 19519 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1156614066 is about 34009.0291834389. The cubic root of 1156614066 is about 1049.6942620046.

The spelling of 1156614066 in words is "one billion, one hundred fifty-six million, six hundred fourteen thousand, sixty-six".