1055165838 has 8 divisors (see below), whose sum is σ = 2110331688. Its totient is φ = 351721944.

The previous prime is 1055165821. The next prime is 1055165849. The reversal of 1055165838 is 8385615501.

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

1055165838 is an admirable number.

It is a super-2 number, since 2×1055165838² = 2226749891364484488, 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 1055165838.

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, 87930481 + ... + 87930492.

It is an arithmetic number, because the mean of its divisors is an integer number (263791461).

Almost surely, 2^1055165838 is an apocalyptic number.

1055165838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1055165838 is a wasteful number, since it uses less digits than its factorization.

1055165838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175860978.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 1055165838 is about 32483.3163023728. The cubic root of 1055165838 is about 1018.0604684870.

The spelling of 1055165838 in words is "one billion, fifty-five million, one hundred sixty-five thousand, eight hundred thirty-eight".