655464660454 has 8 divisors (see below), whose sum is σ = 1025944686000. Its totient is φ = 313483098456.

The previous prime is 655464660407. The next prime is 655464660457. The reversal of 655464660454 is 454066464556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×655464660454² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 655464660395 and 655464660404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655464660457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124615829 + ... + 7124615920.

It is an arithmetic number, because the mean of its divisors is an integer number (128243085750).

Almost surely, 2^655464660454 is an apocalyptic number.

655464660454 is a deficient number, since it is larger than the sum of its proper divisors (370480025546).

655464660454 is a wasteful number, since it uses less digits than its factorization.

655464660454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14249231774.

The product of its (nonzero) digits is 41472000, while the sum is 55.

The spelling of 655464660454 in words is "six hundred fifty-five billion, four hundred sixty-four million, six hundred sixty thousand, four hundred fifty-four".