1056629818 has 8 divisors (see below), whose sum is σ = 1585815840. Its totient is φ = 528024540.

The previous prime is 1056629807. The next prime is 1056629857. The reversal of 1056629818 is 8189266501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1056629818² = 2232933144573426248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140608 + ... + 147931.

It is an arithmetic number, because the mean of its divisors is an integer number (198226980).

Almost surely, 2^1056629818 is an apocalyptic number.

1056629818 is a deficient number, since it is larger than the sum of its proper divisors (529186022).

1056629818 is a wasteful number, since it uses less digits than its factorization.

1056629818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290372.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 1056629818 is about 32505.8428286362. The cubic root of 1056629818 is about 1018.5310837376.

The spelling of 1056629818 in words is "one billion, fifty-six million, six hundred twenty-nine thousand, eight hundred eighteen".