15420166 has 8 divisors (see below), whose sum is σ = 24135984. Its totient is φ = 7374840.

The previous prime is 15420161. The next prime is 15420169. The reversal of 15420166 is 66102451.

15420166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15420166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15420161) 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, 167565 + ... + 167656.

It is an arithmetic number, because the mean of its divisors is an integer number (3016998).

Almost surely, 2^15420166 is an apocalyptic number.

15420166 is a deficient number, since it is larger than the sum of its proper divisors (8715818).

15420166 is a wasteful number, since it uses less digits than its factorization.

15420166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335246.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 15420166 is about 3926.8519197953. The cubic root of 15420166 is about 248.9027431554.

The spelling of 15420166 in words is "fifteen million, four hundred twenty thousand, one hundred sixty-six".