1634564468 has 12 divisors (see below), whose sum is σ = 2959125540. Its totient is φ = 789100032.

The previous prime is 1634564453. The next prime is 1634564531. The reversal of 1634564468 is 8644654361.

It can be written as a sum of positive squares in 2 ways, for example, as 1219546084 + 415018384 = 34922^2 + 20372^2 .

It is a super-3 number, since 3×1634564468³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7045421 + ... + 7045652.

It is an arithmetic number, because the mean of its divisors is an integer number (246593795).

Almost surely, 2^1634564468 is an apocalyptic number.

It is an amenable number.

1634564468 is a deficient number, since it is larger than the sum of its proper divisors (1324561072).

1634564468 is a wasteful number, since it uses less digits than its factorization.

1634564468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091106 (or 14091104 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The square root of 1634564468 is about 40429.7473155596. The cubic root of 1634564468 is about 1177.9694245223.

The spelling of 1634564468 in words is "one billion, six hundred thirty-four million, five hundred sixty-four thousand, four hundred sixty-eight".