216467543154680 has 64 divisors (see below), whose sum is σ = 488122074685440. Its totient is φ = 86396933377152.

The previous prime is 216467543154649. The next prime is 216467543154727. The reversal of 216467543154680 is 86451345764612.

216467543154680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 41817167 + ... + 46707713.

It is an arithmetic number, because the mean of its divisors is an integer number (7626907416960).

Almost surely, 2^{216467543154680} is an apocalyptic number.

216467543154680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216467543154680 is an abundant number, since it is smaller than the sum of its proper divisors (271654531530760).

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

216467543154680 is a wasteful number, since it uses less digits than its factorization.

216467543154680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892988 (or 4892984 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 62.

The spelling of 216467543154680 in words is "two hundred sixteen trillion, four hundred sixty-seven billion, five hundred forty-three million, one hundred fifty-four thousand, six hundred eighty".