1146621856 has 24 divisors (see below), whose sum is σ = 2270471364. Its totient is φ = 569994240.

The previous prime is 1146621841. The next prime is 1146621863. The reversal of 1146621856 is 6581266411.

It can be written as a sum of positive squares in 2 ways, for example, as 999824400 + 146797456 = 31620^2 + 12116^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98025 + ... + 109096.

Almost surely, 2^1146621856 is an apocalyptic number.

1146621856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1146621856 is a deficient number, since it is larger than the sum of its proper divisors (1123849508).

1146621856 is a wasteful number, since it uses less digits than its factorization.

1146621856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207304 (or 207296 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 1146621856 is about 33861.8052678826. The cubic root of 1146621856 is about 1046.6626785699.

The spelling of 1146621856 in words is "one billion, one hundred forty-six million, six hundred twenty-one thousand, eight hundred fifty-six".