16201012155006 has 64 divisors (see below), whose sum is σ = 37198739386368. Its totient is φ = 4607880818688.

The previous prime is 16201012155001. The next prime is 16201012155043. The reversal of 16201012155006 is 60055121010261.

It is a super-3 number, since 3×16201012155006³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201012155001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354508350 + ... + 354554046.

It is an arithmetic number, because the mean of its divisors is an integer number (581230302912).

Almost surely, 2^{16201012155006} is an apocalyptic number.

16201012155006 is an abundant number, since it is smaller than the sum of its proper divisors (20997727231362).

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

16201012155006 is a wasteful number, since it uses less digits than its factorization.

16201012155006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83785.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 16201012155006 its reverse (60055121010261), we get a palindrome (76256133165267).

The spelling of 16201012155006 in words is "sixteen trillion, two hundred one billion, twelve million, one hundred fifty-five thousand, six".