1171264016 has 20 divisors (see below), whose sum is σ = 2443887852. Its totient is φ = 540583296.

The previous prime is 1171264001. The next prime is 1171264043. The reversal of 1171264016 is 6104621711.

It can be written as a sum of positive squares in 2 ways, for example, as 571210000 + 600054016 = 23900^2 + 24496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1171264016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2815331 + ... + 2815746.

Almost surely, 2^1171264016 is an apocalyptic number.

1171264016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1171264016 is an abundant number, since it is smaller than the sum of its proper divisors (1272623836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1171264016 is a wasteful number, since it uses less digits than its factorization.

1171264016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631098 (or 5631092 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1171264016 is about 34223.7346880787. The cubic root of 1171264016 is about 1054.1075735123.

Adding to 1171264016 its reverse (6104621711), we get a palindrome (7275885727).

The spelling of 1171264016 in words is "one billion, one hundred seventy-one million, two hundred sixty-four thousand, sixteen".