16551441225040 has 40 divisors (see below), whose sum is σ = 38482673781600. Its totient is φ = 6620477920896.

The previous prime is 16551441225031. The next prime is 16551441225041. The reversal of 16551441225040 is 4052214415561.

16551441225040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 16551441224984 and 16551441225002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16551441225041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990127 + ... + 7001713.

It is an arithmetic number, because the mean of its divisors is an integer number (962066844540).

Almost surely, 2^{16551441225040} is an apocalyptic number.

16551441225040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16551441225040 is an abundant number, since it is smaller than the sum of its proper divisors (21931232556560).

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

16551441225040 is a wasteful number, since it uses less digits than its factorization.

16551441225040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080299 (or 3080293 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 16551441225040 in words is "sixteen trillion, five hundred fifty-one billion, four hundred forty-one million, two hundred twenty-five thousand, forty".