1051606788 has 12 divisors (see below), whose sum is σ = 2453749200. Its totient is φ = 350535592.

The previous prime is 1051606771. The next prime is 1051606789. The reversal of 1051606788 is 8876061501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1051606788² = 2211753673135353888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051606789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43816938 + ... + 43816961.

It is an arithmetic number, because the mean of its divisors is an integer number (204479100).

Almost surely, 2^1051606788 is an apocalyptic number.

It is an amenable number.

1051606788 is an abundant number, since it is smaller than the sum of its proper divisors (1402142412).

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

1051606788 is a wasteful number, since it uses less digits than its factorization.

1051606788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87633906 (or 87633904 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 1051606788 is about 32428.4872912691. The cubic root of 1051606788 is about 1016.9145476496.

The spelling of 1051606788 in words is "one billion, fifty-one million, six hundred six thousand, seven hundred eighty-eight".