16218716431480 has 32 divisors (see below), whose sum is σ = 36492372518400. Its totient is φ = 6487440253056.

The previous prime is 16218716431451. The next prime is 16218716431499. The reversal of 16218716431480 is 8413461781261.

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, 4529626 + ... + 7277014.

It is an arithmetic number, because the mean of its divisors is an integer number (1140386641200).

Almost surely, 2^{16218716431480} is an apocalyptic number.

16218716431480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16218716431480 is an abundant number, since it is smaller than the sum of its proper divisors (20273656086920).

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

16218716431480 is a wasteful number, since it uses less digits than its factorization.

16218716431480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894983 (or 2894979 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 16218716431480 in words is "sixteen trillion, two hundred eighteen billion, seven hundred sixteen million, four hundred thirty-one thousand, four hundred eighty".