16490822400 has 540 divisors, whose sum is σ = 65691232992. Its totient is φ = 4057620480.

The previous prime is 16490822329. The next prime is 16490822419. The reversal of 16490822400 is 422809461.

16490822400 is a `hidden beast` number, since 1 + 649 + 0 + 8 + 2 + 2 + 4 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (540).

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

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6737977 + ... + 6740423.

Almost surely, 2^16490822400 is an apocalyptic number.

16490822400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16490822400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32845616496).

16490822400 is an abundant number, since it is smaller than the sum of its proper divisors (49200410592).

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

16490822400 is a wasteful number, since it uses less digits than its factorization.

16490822400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 16490822400 in words is "sixteen billion, four hundred ninety million, eight hundred twenty-two thousand, four hundred".