216450195513486 has 16 divisors (see below), whose sum is σ = 472254972029568. Its totient is φ = 65590968337400.

The previous prime is 216450195513467. The next prime is 216450195513511. The reversal of 216450195513486 is 684315591054612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639774208370 + ... + 1639774208501.

It is an arithmetic number, because the mean of its divisors is an integer number (29515935751848).

Almost surely, 2^{216450195513486} is an apocalyptic number.

216450195513486 is an abundant number, since it is smaller than the sum of its proper divisors (255804776516082).

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

216450195513486 is a wasteful number, since it uses less digits than its factorization.

216450195513486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279548416887.

The product of its (nonzero) digits is 31104000, while the sum is 60.

The spelling of 216450195513486 in words is "two hundred sixteen trillion, four hundred fifty billion, one hundred ninety-five million, five hundred thirteen thousand, four hundred eighty-six".