463660646621665 has 16 divisors (see below), whose sum is σ = 577178057191680. Its totient is φ = 357300702046080.

The previous prime is 463660646621621. The next prime is 463660646621677. The reversal of 463660646621665 is 566126646066364.

It is not a de Polignac number, because 463660646621665 - 2⁹ = 463660646621153 is a prime.

It is a super-3 number, since 3×463660646621665³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 463660646621665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14314915779 + ... + 14314948168.

It is an arithmetic number, because the mean of its divisors is an integer number (36073628574480).

Almost surely, 2^{463660646621665} is an apocalyptic number.

It is an amenable number.

463660646621665 is a deficient number, since it is larger than the sum of its proper divisors (113517410570015).

463660646621665 is a wasteful number, since it uses less digits than its factorization.

463660646621665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28629864072.

The product of its (nonzero) digits is 806215680, while the sum is 67.

The spelling of 463660646621665 in words is "four hundred sixty-three trillion, six hundred sixty billion, six hundred forty-six million, six hundred twenty-one thousand, six hundred sixty-five".