1544360166 has 72 divisors (see below), whose sum is σ = 3548566944. Its totient is φ = 485339040.

The previous prime is 1544360159. The next prime is 1544360197. The reversal of 1544360166 is 6610634451.

It is a happy number.

1544360166 is a `hidden beast` number, since 1 + 5 + 4 + 43 + 601 + 6 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1544360166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1760520 + ... + 1761396.

It is an arithmetic number, because the mean of its divisors is an integer number (49285652).

Almost surely, 2^1544360166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1544360166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774283472).

1544360166 is an abundant number, since it is smaller than the sum of its proper divisors (2004206778).

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

1544360166 is a wasteful number, since it uses less digits than its factorization.

1544360166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1544360166 is about 39298.3481332231. The cubic root of 1544360166 is about 1155.8891764267.

The spelling of 1544360166 in words is "one billion, five hundred forty-four million, three hundred sixty thousand, one hundred sixty-six".