1006453663 has 8 divisors (see below), whose sum is σ = 1016572032. Its totient is φ = 996348696.

The previous prime is 1006453661. The next prime is 1006453673. The reversal of 1006453663 is 3663546001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1006453663 - 2¹ = 1006453661 is a prime.

It is a super-2 number, since 2×1006453663² = 2025897951532235138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006453661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221056 + ... + 225562.

It is an arithmetic number, because the mean of its divisors is an integer number (127071504).

Almost surely, 2^1006453663 is an apocalyptic number.

1006453663 is a deficient number, since it is larger than the sum of its proper divisors (10118369).

1006453663 is a wasteful number, since it uses less digits than its factorization.

1006453663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 1006453663 is about 31724.6538673001. The cubic root of 1006453663 is about 1002.1466097694.

Adding to 1006453663 its reverse (3663546001), we get a palindrome (4669999664).

The spelling of 1006453663 in words is "one billion, six million, four hundred fifty-three thousand, six hundred sixty-three".