16520641030 has 16 divisors (see below), whose sum is σ = 29775637584. Its totient is φ = 6599704480.

The previous prime is 16520641013. The next prime is 16520641063. The reversal of 16520641030 is 3014602561.

It is a self number, because there is not a number n which added to its sum of digits gives 16520641030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060876 + ... + 1076335.

It is an arithmetic number, because the mean of its divisors is an integer number (1860977349).

Almost surely, 2^16520641030 is an apocalyptic number.

16520641030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16520641030 is a deficient number, since it is larger than the sum of its proper divisors (13254996554).

16520641030 is a wasteful number, since it uses less digits than its factorization.

16520641030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137991.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 16520641030 in words is "sixteen billion, five hundred twenty million, six hundred forty-one thousand, thirty".