16201479900 has 216 divisors, whose sum is σ = 48752973360. Its totient is φ = 4152079360.

The previous prime is 16201479871. The next prime is 16201479901. The reversal of 16201479900 is 997410261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201479901) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 151415647 + ... + 151415753.

It is an arithmetic number, because the mean of its divisors is an integer number (225708210).

Almost surely, 2^16201479900 is an apocalyptic number.

16201479900 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 16201479900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24376486680).

16201479900 is an abundant number, since it is smaller than the sum of its proper divisors (32551493460).

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

16201479900 is a wasteful number, since it uses less digits than its factorization.

16201479900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 16201479900 in words is "sixteen billion, two hundred one million, four hundred seventy-nine thousand, nine hundred".