16201285506380 has 48 divisors (see below), whose sum is σ = 36643706134560. Its totient is φ = 5981380320768.

The previous prime is 16201285506319. The next prime is 16201285506383. The reversal of 16201285506380 is 8360558210261.

It is not an unprimeable number, because it can be changed into a prime (16201285506383) 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, 829625 + ... + 5752464.

It is an arithmetic number, because the mean of its divisors is an integer number (763410544470).

Almost surely, 2^{16201285506380} is an apocalyptic number.

16201285506380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16201285506380 is an abundant number, since it is smaller than the sum of its proper divisors (20442420628180).

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

16201285506380 is a wasteful number, since it uses less digits than its factorization.

16201285506380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591578 (or 6591576 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 16201285506380 in words is "sixteen trillion, two hundred one billion, two hundred eighty-five million, five hundred six thousand, three hundred eighty".