216045453000 has 512 divisors, whose sum is σ = 745827264000. Its totient is φ = 51742310400.

The previous prime is 216045452983. The next prime is 216045453073. The reversal of 216045453000 is 354540612.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 232556536 + ... + 232557464.

It is an arithmetic number, because the mean of its divisors is an integer number (1456693875).

Almost surely, 2^216045453000 is an apocalyptic number.

216045453000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216045453000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372913632000).

216045453000 is an abundant number, since it is smaller than the sum of its proper divisors (529781811000).

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

216045453000 is a wasteful number, since it uses less digits than its factorization.

216045453000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 216045453000 its reverse (354540612), we get a palindrome (216399993612).

The spelling of 216045453000 in words is "two hundred sixteen billion, forty-five million, four hundred fifty-three thousand".