15406166606 has 16 divisors (see below), whose sum is σ = 24355132800. Its totient is φ = 7288775928.

The previous prime is 15406166569. The next prime is 15406166623. The reversal of 15406166606 is 60666160451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215036 + ... + 277583.

It is an arithmetic number, because the mean of its divisors is an integer number (1522195800).

Almost surely, 2^15406166606 is an apocalyptic number.

15406166606 is a deficient number, since it is larger than the sum of its proper divisors (8948966194).

15406166606 is a wasteful number, since it uses less digits than its factorization.

15406166606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493463.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 15406166606 in words is "fifteen billion, four hundred six million, one hundred sixty-six thousand, six hundred six".