16620114600 has 480 divisors, whose sum is σ = 63257614200. Its totient is φ = 4025548800.

The previous prime is 16620114541. The next prime is 16620114611. The reversal of 16620114600 is 641102661.

It can be written as a sum of positive squares in 12 ways, for example, as 1949575716 + 14670538884 = 44154^2 + 121122^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7985560 + ... + 7987640.

Almost surely, 2^16620114600 is an apocalyptic number.

16620114600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16620114600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31628807100).

16620114600 is an abundant number, since it is smaller than the sum of its proper divisors (46637499600).

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

16620114600 is a wasteful number, since it uses less digits than its factorization.

16620114600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 16620114600 in words is "sixteen billion, six hundred twenty million, one hundred fourteen thousand, six hundred".