16612122567 has 4 divisors (see below), whose sum is σ = 22149496760. Its totient is φ = 11074748376.

The previous prime is 16612122563. The next prime is 16612122581. The reversal of 16612122567 is 76522121661.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16612122567 - 2² = 16612122563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16612122563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768687092 + ... + 2768687097.

It is an arithmetic number, because the mean of its divisors is an integer number (5537374190).

Almost surely, 2^16612122567 is an apocalyptic number.

16612122567 is a deficient number, since it is larger than the sum of its proper divisors (5537374193).

16612122567 is an equidigital number, since it uses as much as digits as its factorization.

16612122567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537374192.

The product of its digits is 60480, while the sum is 39.

The spelling of 16612122567 in words is "sixteen billion, six hundred twelve million, one hundred twenty-two thousand, five hundred sixty-seven".