1051623868 has 12 divisors (see below), whose sum is σ = 1903802040. Its totient is φ = 507680432.

The previous prime is 1051623857. The next prime is 1051623887. The reversal of 1051623868 is 8683261501.

It is a super-2 number, since 2×1051623868² = 2211825519494562848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051623868.

It is a congruent number.

It is an unprimeable number.

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, 4532746 + ... + 4532977.

It is an arithmetic number, because the mean of its divisors is an integer number (158650170).

Almost surely, 2^1051623868 is an apocalyptic number.

It is an amenable number.

1051623868 is a deficient number, since it is larger than the sum of its proper divisors (852178172).

1051623868 is a wasteful number, since it uses less digits than its factorization.

1051623868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9065756 (or 9065754 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1051623868 is about 32428.7506389007. The cubic root of 1051623868 is about 1016.9200531315.

The spelling of 1051623868 in words is "one billion, fifty-one million, six hundred twenty-three thousand, eight hundred sixty-eight".