16154455215 has 32 divisors (see below), whose sum is σ = 27840257280. Its totient is φ = 7972425216.

The previous prime is 16154455193. The next prime is 16154455243. The reversal of 16154455215 is 51255445161.

It is not a de Polignac number, because 16154455215 - 2¹⁴ = 16154438831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646842 + ... + 671351.

It is an arithmetic number, because the mean of its divisors is an integer number (870008040).

Almost surely, 2^16154455215 is an apocalyptic number.

16154455215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16154455215 is a deficient number, since it is larger than the sum of its proper divisors (11685802065).

16154455215 is a wasteful number, since it uses less digits than its factorization.

16154455215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318263.

The product of its digits is 120000, while the sum is 39.

The spelling of 16154455215 in words is "sixteen billion, one hundred fifty-four million, four hundred fifty-five thousand, two hundred fifteen".