1056577998 has 16 divisors (see below), whose sum is σ = 2415035520. Its totient is φ = 301879416.

The previous prime is 1056577969. The next prime is 1056578123. The reversal of 1056577998 is 8997756501.

It is a super-2 number, since 2×1056577998² = 2232714131715376008, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12578268 + ... + 12578351.

It is an arithmetic number, because the mean of its divisors is an integer number (150939720).

Almost surely, 2^1056577998 is an apocalyptic number.

1056577998 is an abundant number, since it is smaller than the sum of its proper divisors (1358457522).

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

1056577998 is a wasteful number, since it uses less digits than its factorization.

1056577998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25156631.

The product of its (nonzero) digits is 4762800, while the sum is 57.

The square root of 1056577998 is about 32505.0457313938. The cubic root of 1056577998 is about 1018.5144329539.

The spelling of 1056577998 in words is "one billion, fifty-six million, five hundred seventy-seven thousand, nine hundred ninety-eight".