16147215858 has 16 divisors (see below), whose sum is σ = 32607971136. Its totient is φ = 5330148720.

The previous prime is 16147215857. The next prime is 16147215881. The reversal of 16147215858 is 85851274161.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16147215857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13063473 + ... + 13064708.

It is an arithmetic number, because the mean of its divisors is an integer number (2037998196).

Almost surely, 2^16147215858 is an apocalyptic number.

16147215858 is an abundant number, since it is smaller than the sum of its proper divisors (16460755278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16147215858 is a wasteful number, since it uses less digits than its factorization.

16147215858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26128289.

The product of its digits is 537600, while the sum is 48.

The spelling of 16147215858 in words is "sixteen billion, one hundred forty-seven million, two hundred fifteen thousand, eight hundred fifty-eight".