16603061234640 has 480 divisors, whose sum is σ = 54353581564800. Its totient is φ = 4189395271680.

The previous prime is 16603061234567. The next prime is 16603061234659. The reversal of 16603061234640 is 4643216030661.

16603061234640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16603061234640² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16603061234592 and 16603061234601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5209619127 + ... + 5209622313.

It is an arithmetic number, because the mean of its divisors is an integer number (113236628260).

Almost surely, 2^{16603061234640} is an apocalyptic number.

16603061234640 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 16603061234640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27176790782400).

16603061234640 is an abundant number, since it is smaller than the sum of its proper divisors (37750520330160).

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

16603061234640 is a wasteful number, since it uses less digits than its factorization.

16603061234640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 16603061234640 in words is "sixteen trillion, six hundred three billion, sixty-one million, two hundred thirty-four thousand, six hundred forty".