2150611506 has 32 divisors (see below), whose sum is σ = 4836726720. Its totient is φ = 708232032.

The previous prime is 2150611457. The next prime is 2150611543. The reversal of 2150611506 is 6051160512.

It is a happy number.

2150611506 is a `hidden beast` number, since 2 + 1 + 506 + 1 + 150 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2150611506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235435 + ... + 244398.

It is an arithmetic number, because the mean of its divisors is an integer number (151147710).

Almost surely, 2^2150611506 is an apocalyptic number.

2150611506 is an abundant number, since it is smaller than the sum of its proper divisors (2686115214).

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

2150611506 is a wasteful number, since it uses less digits than its factorization.

2150611506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479927 (or 479921 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2150611506 is about 46374.6860474548. The cubic root of 2150611506 is about 1290.7852331207.

The spelling of 2150611506 in words is "two billion, one hundred fifty million, six hundred eleven thousand, five hundred six".