1129161608 has 64 divisors (see below), whose sum is σ = 2241976320. Its totient is φ = 532396800.

The previous prime is 1129161599. The next prime is 1129161613. The reversal of 1129161608 is 8061619211.

It is a Cunningham number, because it is equal to 33603²-1.

It is a super-2 number, since 2×1129161608² = 2550011873962291328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3561866 + ... + 3562182.

It is an arithmetic number, because the mean of its divisors is an integer number (35030880).

Almost surely, 2^1129161608 is an apocalyptic number.

It is an amenable number.

1129161608 is a deficient number, since it is larger than the sum of its proper divisors (1112814712).

1129161608 is a wasteful number, since it uses less digits than its factorization.

1129161608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1129161608 is about 33602.9999851204. Note that the first 4 decimals coincide. The cubic root of 1129161608 is about 1041.3227769048.

The spelling of 1129161608 in words is "one billion, one hundred twenty-nine million, one hundred sixty-one thousand, six hundred eight".