1164646453 has 16 divisors (see below), whose sum is σ = 1202034096. Its totient is φ = 1128038400.

The previous prime is 1164646429. The next prime is 1164646459. The reversal of 1164646453 is 3546464611.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 293334129 + 871312324 = 17127^2 + 29518^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164646453 - 2⁹ = 1164645941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164646459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009525 + ... + 1010677.

It is an arithmetic number, because the mean of its divisors is an integer number (75127131).

Almost surely, 2^1164646453 is an apocalyptic number.

It is an amenable number.

1164646453 is a deficient number, since it is larger than the sum of its proper divisors (37387643).

1164646453 is a wasteful number, since it uses less digits than its factorization.

1164646453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its digits is 207360, while the sum is 40.

The square root of 1164646453 is about 34126.9168399374. The cubic root of 1164646453 is about 1052.1186106367.

The spelling of 1164646453 in words is "one billion, one hundred sixty-four million, six hundred forty-six thousand, four hundred fifty-three".