16423156206 has 24 divisors (see below), whose sum is σ = 35621117064. Its totient is φ = 5468598960.

The previous prime is 16423156181. The next prime is 16423156213. The reversal of 16423156206 is 60265132461.

16423156206 is a `hidden beast` number, since 1 + 6 + 4 + 23 + 1 + 5 + 620 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464685 + ... + 498776.

It is an arithmetic number, because the mean of its divisors is an integer number (1484213211).

Almost surely, 2^16423156206 is an apocalyptic number.

16423156206 is an abundant number, since it is smaller than the sum of its proper divisors (19197960858).

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

16423156206 is a wasteful number, since it uses less digits than its factorization.

16423156206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964416 (or 964413 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 16423156206 its reverse (60265132461), we get a palindrome (76688288667).

The spelling of 16423156206 in words is "sixteen billion, four hundred twenty-three million, one hundred fifty-six thousand, two hundred six".