16527645420 has 96 divisors (see below), whose sum is σ = 54367891200. Its totient is φ = 3698492160.

The previous prime is 16527645413. The next prime is 16527645467. The reversal of 16527645420 is 2454672561.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954570 + ... + 971729.

It is an arithmetic number, because the mean of its divisors is an integer number (566332200).

Almost surely, 2^16527645420 is an apocalyptic number.

16527645420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16527645420 is an abundant number, since it is smaller than the sum of its proper divisors (37840245780).

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

16527645420 is a wasteful number, since it uses less digits than its factorization.

16527645420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926335 (or 1926333 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 16527645420 in words is "sixteen billion, five hundred twenty-seven million, six hundred forty-five thousand, four hundred twenty".