1463646680 has 16 divisors (see below), whose sum is σ = 3293205120. Its totient is φ = 585458656.

The previous prime is 1463646661. The next prime is 1463646713. The reversal of 1463646680 is 866463641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18295544 + ... + 18295623.

It is an arithmetic number, because the mean of its divisors is an integer number (205825320).

Almost surely, 2^1463646680 is an apocalyptic number.

1463646680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1463646680 is an abundant number, since it is smaller than the sum of its proper divisors (1829558440).

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

1463646680 is a wasteful number, since it uses less digits than its factorization.

1463646680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36591178 (or 36591174 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 1463646680 is about 38257.6355777510. The cubic root of 1463646680 is about 1135.3909215107.

It can be divided in two parts, 14636 and 46680, that added together give a palindrome (61316).

The spelling of 1463646680 in words is "one billion, four hundred sixty-three million, six hundred forty-six thousand, six hundred eighty".