16551224315670 has 128 divisors (see below), whose sum is σ = 44657211755520. Its totient is φ = 3890649300480.

The previous prime is 16551224315531. The next prime is 16551224315671. The reversal of 16551224315670 is 7651342215561.

16551224315670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16551224315671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1264311 + ... + 5890749.

It is an arithmetic number, because the mean of its divisors is an integer number (348884466840).

Almost surely, 2^{16551224315670} is an apocalyptic number.

16551224315670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16551224315670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22328605877760).

16551224315670 is an abundant number, since it is smaller than the sum of its proper divisors (28105987439850).

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

16551224315670 is a wasteful number, since it uses less digits than its factorization.

16551224315670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626790.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 16551224315670 in words is "sixteen trillion, five hundred fifty-one billion, two hundred twenty-four million, three hundred fifteen thousand, six hundred seventy".