1056455216 has 20 divisors (see below), whose sum is σ = 2050574112. Its totient is φ = 527274816.

The previous prime is 1056455203. The next prime is 1056455311. The reversal of 1056455216 is 6125546501.

It is a super-2 number, since 2×1056455216² = 2232195246827213312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50360 + ... + 68183.

Almost surely, 2^1056455216 is an apocalyptic number.

1056455216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1056455216 is a deficient number, since it is larger than the sum of its proper divisors (994118896).

1056455216 is a wasteful number, since it uses less digits than its factorization.

1056455216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119108 (or 119102 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1056455216 is about 32503.1570158962. The cubic root of 1056455216 is about 1018.4749785127.

The spelling of 1056455216 in words is "one billion, fifty-six million, four hundred fifty-five thousand, two hundred sixteen".