1146863656 has 32 divisors (see below), whose sum is σ = 2310863040. Its totient is φ = 531641088.

The previous prime is 1146863647. The next prime is 1146863657. The reversal of 1146863656 is 6563686411.

It is not an unprimeable number, because it can be changed into a prime (1146863657) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 53820 + ... + 72043.

It is an arithmetic number, because the mean of its divisors is an integer number (72214470).

Almost surely, 2^1146863656 is an apocalyptic number.

It is an amenable number.

1146863656 is an abundant number, since it is smaller than the sum of its proper divisors (1163999384).

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

1146863656 is a wasteful number, since it uses less digits than its factorization.

1146863656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125953 (or 125949 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 1146863656 is about 33865.3754740738. The cubic root of 1146863656 is about 1046.7362469239.

The spelling of 1146863656 in words is "one billion, one hundred forty-six million, eight hundred sixty-three thousand, six hundred fifty-six".