1126887664 has 40 divisors (see below), whose sum is σ = 2499268608. Its totient is φ = 482174400.

The previous prime is 1126887649. The next prime is 1126887667. The reversal of 1126887664 is 4667886211.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126887667) 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, 64689 + ... + 80239.

Almost surely, 2^1126887664 is an apocalyptic number.

1126887664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1126887664 is an abundant number, since it is smaller than the sum of its proper divisors (1372380944).

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

1126887664 is a wasteful number, since it uses less digits than its factorization.

1126887664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16213 (or 16207 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 1126887664 is about 33569.1475018357. The cubic root of 1126887664 is about 1040.6232900849.

The spelling of 1126887664 in words is "one billion, one hundred twenty-six million, eight hundred eighty-seven thousand, six hundred sixty-four".