16546874021040 has 80 divisors (see below), whose sum is σ = 55958519425536. Its totient is φ = 4011363398400.

The previous prime is 16546874020967. The next prime is 16546874021129. The reversal of 16546874021040 is 4012047864561.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3133875016 + ... + 3133880295.

Almost surely, 2^{16546874021040} is an apocalyptic number.

16546874021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16546874021040 is an abundant number, since it is smaller than the sum of its proper divisors (39411645404496).

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

16546874021040 is a wasteful number, since it uses less digits than its factorization.

16546874021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267755338 (or 6267755332 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 16546874021040 in words is "sixteen trillion, five hundred forty-six billion, eight hundred seventy-four million, twenty-one thousand, forty".