16816245480 has 96 divisors (see below), whose sum is σ = 55194033960. Its totient is φ = 4439923200.

The previous prime is 16816245371. The next prime is 16816245529. The reversal of 16816245480 is 8454261861.

It is a happy number.

16816245480 is a `hidden beast` number, since 1 + 6 + 8 + 162 + 4 + 5 + 480 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16469615556 + 346629924 = 128334^2 + 18618^2 .

It is a super-2 number, since 2×16816245480² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 194887 + ... + 267606.

Almost surely, 2^16816245480 is an apocalyptic number.

16816245480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16816245480 is an abundant number, since it is smaller than the sum of its proper divisors (38377788480).

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

16816245480 is a wasteful number, since it uses less digits than its factorization.

16816245480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462611 (or 462604 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 16816245480 in words is "sixteen billion, eight hundred sixteen million, two hundred forty-five thousand, four hundred eighty".