16529074380 has 384 divisors, whose sum is σ = 65008527360. Its totient is φ = 3392824320.

The previous prime is 16529074379. The next prime is 16529074391. The reversal of 16529074380 is 8347092561.

16529074380 is a `hidden beast` number, since 1 + 6 + 529 + 0 + 7 + 43 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1813635 + ... + 1822725.

It is an arithmetic number, because the mean of its divisors is an integer number (169293040).

It is a 1-persistent number, because it is pandigital, but 2⋅16529074380 = 33058148760 is not.

Almost surely, 2^16529074380 is an apocalyptic number.

16529074380 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 16529074380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32504263680).

16529074380 is an abundant number, since it is smaller than the sum of its proper divisors (48479452980).

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

16529074380 is a wasteful number, since it uses less digits than its factorization.

16529074380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9166 (or 9158 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 16529074380 in words is "sixteen billion, five hundred twenty-nine million, seventy-four thousand, three hundred eighty".