16602004225620 has 576 divisors, whose sum is σ = 59602054127616. Its totient is φ = 3695199989760.

The previous prime is 16602004225613. The next prime is 16602004225769. The reversal of 16602004225620 is 2652240020661.

16602004225620 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 2 + 0 + 0 + 4 + 2 + 25 + 620 = 666.

16602004225620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 485663049 + ... + 485697231.

It is an arithmetic number, because the mean of its divisors is an integer number (103475788416).

Almost surely, 2^{16602004225620} is an apocalyptic number.

16602004225620 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 16602004225620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29801027063808).

16602004225620 is an abundant number, since it is smaller than the sum of its proper divisors (43000049901996).

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

16602004225620 is a wasteful number, since it uses less digits than its factorization.

16602004225620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34580 (or 34575 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 16602004225620 in words is "sixteen trillion, six hundred two billion, four million, two hundred twenty-five thousand, six hundred twenty".