1506663606 has 64 divisors (see below), whose sum is σ = 3571596288. Its totient is φ = 414730368.

The previous prime is 1506663551. The next prime is 1506663629. The reversal of 1506663606 is 6063666051.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155356 + ... + 164768.

It is an arithmetic number, because the mean of its divisors is an integer number (55806192).

Almost surely, 2^1506663606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1506663606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785798144).

1506663606 is an abundant number, since it is smaller than the sum of its proper divisors (2064932682).

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

1506663606 is a wasteful number, since it uses less digits than its factorization.

1506663606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 1506663606 is about 38815.7649158174. The cubic root of 1506663606 is about 1146.4068330086.

The spelling of 1506663606 in words is "one billion, five hundred six million, six hundred sixty-three thousand, six hundred six".