1164608523 has 40 divisors (see below), whose sum is σ = 1904367696. Its totient is φ = 704894400.

The previous prime is 1164608509. The next prime is 1164608563. The reversal of 1164608523 is 3258064611.

It is a happy number.

1164608523 is a `hidden beast` number, since 1 + 1 + 646 + 0 + 8 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 1164608523 - 2¹⁴ = 1164592139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1164608563) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55168 + ... + 73298.

Almost surely, 2^1164608523 is an apocalyptic number.

1164608523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1164608523 is a deficient number, since it is larger than the sum of its proper divisors (739759173).

1164608523 is a wasteful number, since it uses less digits than its factorization.

1164608523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18217 (or 18208 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1164608523 is about 34126.3611157123. The cubic root of 1164608523 is about 1052.1071887750.

The spelling of 1164608523 in words is "one billion, one hundred sixty-four million, six hundred eight thousand, five hundred twenty-three".