16010066500 has 48 divisors (see below), whose sum is σ = 35911053360. Its totient is φ = 6230937600.

The previous prime is 16010066497. The next prime is 16010066503. The reversal of 16010066500 is 566001061.

It is an interprime number because it is at equal distance from previous prime (16010066497) and next prime (16010066503).

It can be written as a sum of positive squares in 8 ways, for example, as 48776256 + 15961290244 = 6984^2 + 126338^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (16010066503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414205 + ... + 451204.

It is an arithmetic number, because the mean of its divisors is an integer number (748146945).

Almost surely, 2^16010066500 is an apocalyptic number.

16010066500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16010066500 is an abundant number, since it is smaller than the sum of its proper divisors (19900986860).

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

16010066500 is a wasteful number, since it uses less digits than its factorization.

16010066500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865465 (or 865453 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 16010066500 its reverse (566001061), we get a palindrome (16576067561).

The spelling of 16010066500 in words is "sixteen billion, ten million, sixty-six thousand, five hundred".