16106466623 has 4 divisors (see below), whose sum is σ = 17345425608. Its totient is φ = 14867507640.

The previous prime is 16106466619. The next prime is 16106466643. The reversal of 16106466623 is 32666460161.

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

It is a cyclic number.

It is not a de Polignac number, because 16106466623 - 2² = 16106466619 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 (16106466643) 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, 619479473 + ... + 619479498.

It is an arithmetic number, because the mean of its divisors is an integer number (4336356402).

Almost surely, 2^16106466623 is an apocalyptic number.

16106466623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16106466623 is a deficient number, since it is larger than the sum of its proper divisors (1238958985).

16106466623 is a wasteful number, since it uses less digits than its factorization.

16106466623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238958984.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 16106466623 in words is "sixteen billion, one hundred six million, four hundred sixty-six thousand, six hundred twenty-three".