1456661384 has 32 divisors (see below), whose sum is σ = 2793744000. Its totient is φ = 711807552.

The previous prime is 1456661383. The next prime is 1456661389. The reversal of 1456661384 is 4831666541.

It is not an unprimeable number, because it can be changed into a prime (1456661383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72737 + ... + 90575.

It is an arithmetic number, because the mean of its divisors is an integer number (87304500).

Almost surely, 2^1456661384 is an apocalyptic number.

It is an amenable number.

1456661384 is a deficient number, since it is larger than the sum of its proper divisors (1337082616).

1456661384 is a wasteful number, since it uses less digits than its factorization.

1456661384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18077 (or 18073 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 1456661384 is about 38166.2335579501. The cubic root of 1456661384 is about 1133.5818118004.

The spelling of 1456661384 in words is "one billion, four hundred fifty-six million, six hundred sixty-one thousand, three hundred eighty-four".