663410577436 has 12 divisors (see below), whose sum is σ = 1161144968760. Its totient is φ = 331654872080.

The previous prime is 663410577341. The next prime is 663410577463. The reversal of 663410577436 is 634775014366.

It is a super-2 number, since 2×663410577436² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12574546 + ... + 12627193.

It is an arithmetic number, because the mean of its divisors is an integer number (96762080730).

Almost surely, 2^663410577436 is an apocalyptic number.

It is an amenable number.

663410577436 is a deficient number, since it is larger than the sum of its proper divisors (497734391324).

663410577436 is a wasteful number, since it uses less digits than its factorization.

663410577436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25208324 (or 25208322 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 663410577436 in words is "six hundred sixty-three billion, four hundred ten million, five hundred seventy-seven thousand, four hundred thirty-six".