16149240215 has 4 divisors (see below), whose sum is σ = 19379088264. Its totient is φ = 12919392168.

The previous prime is 16149240181. The next prime is 16149240227. The reversal of 16149240215 is 51204294161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51204294161 = 8179 ⋅6260459.

It is a cyclic number.

It is not a de Polignac number, because 16149240215 - 2¹⁰ = 16149239191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614924017 + ... + 1614924026.

It is an arithmetic number, because the mean of its divisors is an integer number (4844772066).

Almost surely, 2^16149240215 is an apocalyptic number.

16149240215 is a deficient number, since it is larger than the sum of its proper divisors (3229848049).

16149240215 is an equidigital number, since it uses as much as digits as its factorization.

16149240215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229848048.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 16149240215 in words is "sixteen billion, one hundred forty-nine million, two hundred forty thousand, two hundred fifteen".