16537081173480 has 144 divisors (see below), whose sum is σ = 62520291646020. Its totient is φ = 3779904264192.

The previous prime is 16537081173461. The next prime is 16537081173499. The reversal of 16537081173480 is 8437118073561.

16537081173480 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 70 + 81 + 17 + 3 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (16537081173461) and next prime (16537081173499).

It can be written as a sum of positive squares in 2 ways, for example, as 16175502646884 + 361578526596 = 4021878^2 + 601314^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 468720489 + ... + 468755768.

Almost surely, 2^{16537081173480} is an apocalyptic number.

16537081173480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16537081173480 is an abundant number, since it is smaller than the sum of its proper divisors (45983210472540).

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

16537081173480 is a wasteful number, since it uses less digits than its factorization.

16537081173480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937476288 (or 937476274 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 16537081173480 in words is "sixteen trillion, five hundred thirty-seven billion, eighty-one million, one hundred seventy-three thousand, four hundred eighty".