16106854397 has 4 divisors (see below), whose sum is σ = 16229807616. Its totient is φ = 15983901180.

The previous prime is 16106854369. The next prime is 16106854399. The reversal of 16106854397 is 79345860161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16106854397 - 2¹² = 16106850301 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 (16106854399) 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, 61476413 + ... + 61476674.

It is an arithmetic number, because the mean of its divisors is an integer number (4057451904).

Almost surely, 2^16106854397 is an apocalyptic number.

It is an amenable number.

16106854397 is a deficient number, since it is larger than the sum of its proper divisors (122953219).

16106854397 is a wasteful number, since it uses less digits than its factorization.

16106854397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122953218.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 16106854397 in words is "sixteen billion, one hundred six million, eight hundred fifty-four thousand, three hundred ninety-seven".