16129155 has 16 divisors (see below), whose sum is σ = 29493504. Its totient is φ = 7373280.

The previous prime is 16129129. The next prime is 16129159. The reversal of 16129155 is 55192161.

16129155 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16129155 - 2¹² = 16125059 is a prime.

16129155 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (16129159) 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, 76701 + ... + 76910.

It is an arithmetic number, because the mean of its divisors is an integer number (1843344).

Almost surely, 2^16129155 is an apocalyptic number.

16129155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16129155 is a deficient number, since it is larger than the sum of its proper divisors (13364349).

16129155 is a wasteful number, since it uses less digits than its factorization.

16129155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153626.

The product of its digits is 2700, while the sum is 30.

The square root of 16129155 is about 4016.1119257312. Note that the first 3 decimals coincide. The cubic root of 16129155 is about 252.6604150084.

The spelling of 16129155 in words is "sixteen million, one hundred twenty-nine thousand, one hundred fifty-five".