16780990072320 has 240 divisors, whose sum is σ = 60121335090960. Its totient is φ = 4320622559232.

The previous prime is 16780990072303. The next prime is 16780990072351. The reversal of 16780990072320 is 2327009908761.

16780990072320 is a `hidden beast` number, since 167 + 8 + 0 + 9 + 90 + 0 + 72 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11889454 + ... + 13225773.

It is an arithmetic number, because the mean of its divisors is an integer number (250505562879).

Almost surely, 2^{16780990072320} is an apocalyptic number.

16780990072320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16780990072320 is an abundant number, since it is smaller than the sum of its proper divisors (43340345018640).

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

16780990072320 is a wasteful number, since it uses less digits than its factorization.

16780990072320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25115285 (or 25115266 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 16780990072320 in words is "sixteen trillion, seven hundred eighty billion, nine hundred ninety million, seventy-two thousand, three hundred twenty".