1151663633 has 4 divisors (see below), whose sum is σ = 1152606528. Its totient is φ = 1150720740.

The previous prime is 1151663627. The next prime is 1151663641. The reversal of 1151663633 is 3363661511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1151663633 - 2⁸ = 1151663377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151663593 and 1151663602.

It is not an unprimeable number, because it can be changed into a prime (1151663693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469613 + ... + 472058.

It is an arithmetic number, because the mean of its divisors is an integer number (288151632).

Almost surely, 2^1151663633 is an apocalyptic number.

It is an amenable number.

1151663633 is a deficient number, since it is larger than the sum of its proper divisors (942895).

1151663633 is an equidigital number, since it uses as much as digits as its factorization.

1151663633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942894.

The product of its digits is 29160, while the sum is 35.

The square root of 1151663633 is about 33936.1699813046. The cubic root of 1151663633 is about 1048.1945187099.

The spelling of 1151663633 in words is "one billion, one hundred fifty-one million, six hundred sixty-three thousand, six hundred thirty-three".