1164161450 has 24 divisors (see below), whose sum is σ = 2202046560. Its totient is φ = 457770800.

The previous prime is 1164161447. The next prime is 1164161477. The reversal of 1164161450 is 541614611.

It is a happy number.

It is a super-2 number, since 2×1164161450² = 2710543763332205000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194366 + ... + 200265.

It is an arithmetic number, because the mean of its divisors is an integer number (91751940).

Almost surely, 2^1164161450 is an apocalyptic number.

1164161450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1164161450 is a deficient number, since it is larger than the sum of its proper divisors (1037885110).

1164161450 is a wasteful number, since it uses less digits than its factorization.

1164161450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394702 (or 394697 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1164161450 is about 34119.8102280772. The cubic root of 1164161450 is about 1051.9725429807.

It can be divided in two parts, 1164161 and 450, that added together give a palindrome (1164611).

The spelling of 1164161450 in words is "one billion, one hundred sixty-four million, one hundred sixty-one thousand, four hundred fifty".