1156374366 has 16 divisors (see below), whose sum is σ = 2643141504. Its totient is φ = 330392664.

The previous prime is 1156374347. The next prime is 1156374367. The reversal of 1156374366 is 6634736511.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 27532723 = 1156374366 / (1 + 1 + 5 + 6 + 3 + 7 + 4 + 3 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156374367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13766320 + ... + 13766403.

It is an arithmetic number, because the mean of its divisors is an integer number (165196344).

Almost surely, 2^1156374366 is an apocalyptic number.

1156374366 is an abundant number, since it is smaller than the sum of its proper divisors (1486767138).

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

1156374366 is a wasteful number, since it uses less digits than its factorization.

1156374366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27532735.

The product of its digits is 272160, while the sum is 42.

The square root of 1156374366 is about 34005.5049367011. The cubic root of 1156374366 is about 1049.6217431164.

The spelling of 1156374366 in words is "one billion, one hundred fifty-six million, three hundred seventy-four thousand, three hundred sixty-six".