16616010100 has 36 divisors (see below), whose sum is σ = 36206407468. Its totient is φ = 6618816000.

The previous prime is 16616010097. The next prime is 16616010107. The reversal of 16616010100 is 101061661.

It can be written as a sum of positive squares in 6 ways, for example, as 1177450596 + 15438559504 = 34314^2 + 124252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16616010107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320631 + ... + 368830.

Almost surely, 2^16616010100 is an apocalyptic number.

16616010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16616010100 is an abundant number, since it is smaller than the sum of its proper divisors (19590397368).

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

16616010100 is a wasteful number, since it uses less digits than its factorization.

16616010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689716 (or 689709 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 16616010100 its reverse (101061661), we get a palindrome (16717071761).

The spelling of 16616010100 in words is "sixteen billion, six hundred sixteen million, ten thousand, one hundred".