16716120500 has 48 divisors (see below), whose sum is σ = 37196896464. Its totient is φ = 6560278400.

The previous prime is 16716120461. The next prime is 16716120529. The reversal of 16716120500 is 502161761.

It can be written as a sum of positive squares in 8 ways, for example, as 249071524 + 16467048976 = 15782^2 + 128324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288899 + ... + 341898.

It is an arithmetic number, because the mean of its divisors is an integer number (774935343).

Almost surely, 2^16716120500 is an apocalyptic number.

16716120500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16716120500 is an abundant number, since it is smaller than the sum of its proper divisors (20480775964).

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

16716120500 is a wasteful number, since it uses less digits than its factorization.

16716120500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630869 (or 630857 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 16716120500 in words is "sixteen billion, seven hundred sixteen million, one hundred twenty thousand, five hundred".