16876553379840 has 1344 divisors, whose sum is σ = 74913267536640. Its totient is φ = 3411825131520.

The previous prime is 16876553379823. The next prime is 16876553379841. The reversal of 16876553379840 is 4897335567861.

It is a happy number.

16876553379840 is a `hidden beast` number, since 1 + 6 + 8 + 7 + 6 + 5 + 533 + 7 + 9 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (16876553379841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1050247326 + ... + 1050263394.

Almost surely, 2^{16876553379840} is an apocalyptic number.

16876553379840 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 16876553379840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37456633768320).

16876553379840 is an abundant number, since it is smaller than the sum of its proper divisors (58036714156800).

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

16876553379840 is a wasteful number, since it uses less digits than its factorization.

16876553379840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16161 (or 16134 counting only the distinct ones).

The product of its (nonzero) digits is 914457600, while the sum is 72.

The spelling of 16876553379840 in words is "sixteen trillion, eight hundred seventy-six billion, five hundred fifty-three million, three hundred seventy-nine thousand, eight hundred forty".