16201615155 has 16 divisors (see below), whose sum is σ = 28279183104. Its totient is φ = 7855328480.

The previous prime is 16201615151. The next prime is 16201615163. The reversal of 16201615155 is 55151610261.

16201615155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16201615155 - 2² = 16201615151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16201615151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49095639 + ... + 49095968.

It is an arithmetic number, because the mean of its divisors is an integer number (1767448944).

Almost surely, 2^16201615155 is an apocalyptic number.

16201615155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16201615155 is a deficient number, since it is larger than the sum of its proper divisors (12077567949).

16201615155 is a wasteful number, since it uses less digits than its factorization.

16201615155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98191626.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 16201615155 in words is "sixteen billion, two hundred one million, six hundred fifteen thousand, one hundred fifty-five".