216453664545360 has 160 divisors (see below), whose sum is σ = 737273176496640. Its totient is φ = 52096107532800.

The previous prime is 216453664545337. The next prime is 216453664545383. The reversal of 216453664545360 is 63545466354612.

It is an interprime number because it is at equal distance from previous prime (216453664545337) and next prime (216453664545383).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 216453664545294 and 216453664545303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294561186 + ... + 295295105.

It is an arithmetic number, because the mean of its divisors is an integer number (4607957353104).

Almost surely, 2^{216453664545360} is an apocalyptic number.

216453664545360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216453664545360 is an abundant number, since it is smaller than the sum of its proper divisors (520819511951280).

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

216453664545360 is a wasteful number, since it uses less digits than its factorization.

216453664545360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589856457 (or 589856451 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 60.

The spelling of 216453664545360 in words is "two hundred sixteen trillion, four hundred fifty-three billion, six hundred sixty-four million, five hundred forty-five thousand, three hundred sixty".