16487573280 has 48 divisors (see below), whose sum is σ = 51935857344. Its totient is φ = 4396686080.

The previous prime is 16487573269. The next prime is 16487573303. The reversal of 16487573280 is 8237578461.

It is a tau number, because it is divible by the number of its divisors (48).

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, 17174076 + ... + 17175035.

It is an arithmetic number, because the mean of its divisors is an integer number (1081997028).

Almost surely, 2^16487573280 is an apocalyptic number.

16487573280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16487573280 is an abundant number, since it is smaller than the sum of its proper divisors (35448284064).

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

16487573280 is a wasteful number, since it uses less digits than its factorization.

16487573280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34349129 (or 34349121 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 16487573280 in words is "sixteen billion, four hundred eighty-seven million, five hundred seventy-three thousand, two hundred eighty".