16205514480 has 120 divisors (see below), whose sum is σ = 56439273072. Its totient is φ = 4321465344.

The previous prime is 16205514473. The next prime is 16205514497. The reversal of 16205514480 is 8441550261.

It is a happy number.

16205514480 is a `hidden beast` number, since 1 + 6 + 20 + 551 + 4 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×16205514480² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 397369 + ... + 436248.

Almost surely, 2^16205514480 is an apocalyptic number.

16205514480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16205514480 is an abundant number, since it is smaller than the sum of its proper divisors (40233758592).

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

16205514480 is an equidigital number, since it uses as much as digits as its factorization.

16205514480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833645 (or 833627 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 16205514480 in words is "sixteen billion, two hundred five million, five hundred fourteen thousand, four hundred eighty".