1056916801 has 4 divisors (see below), whose sum is σ = 1057044100. Its totient is φ = 1056789504.

The previous prime is 1056916787. The next prime is 1056916811. The reversal of 1056916801 is 1086196501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 198133776 + 858783025 = 14076^2 + 29305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056916801 - 2¹¹ = 1056914753 is a prime.

It is a super-2 number, since 2×1056916801² = 2234146248472147202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056916811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50256 + ... + 68113.

It is an arithmetic number, because the mean of its divisors is an integer number (264261025).

Almost surely, 2^1056916801 is an apocalyptic number.

It is an amenable number.

1056916801 is a deficient number, since it is larger than the sum of its proper divisors (127299).

1056916801 is an equidigital number, since it uses as much as digits as its factorization.

1056916801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127298.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1056916801 is about 32510.2568584132. The cubic root of 1056916801 is about 1018.6232871570.

The spelling of 1056916801 in words is "one billion, fifty-six million, nine hundred sixteen thousand, eight hundred one".