15381066 has 32 divisors (see below), whose sum is σ = 32306688. Its totient is φ = 4872560.

The previous prime is 15381061. The next prime is 15381101. The reversal of 15381066 is 66018351.

15381066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15381061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31081 + ... + 31571.

It is an arithmetic number, because the mean of its divisors is an integer number (1009584).

Almost surely, 2^15381066 is an apocalyptic number.

15381066 is an abundant number, since it is smaller than the sum of its proper divisors (16925622).

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

15381066 is a wasteful number, since it uses less digits than its factorization.

15381066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 15381066 is about 3921.8702171286. The cubic root of 15381066 is about 248.6921891193.

The spelling of 15381066 in words is "fifteen million, three hundred eighty-one thousand, sixty-six".