2151318606 has 16 divisors (see below), whose sum is σ = 4309974144. Its totient is φ = 715883384.

The previous prime is 2151318581. The next prime is 2151318619. The reversal of 2151318606 is 6068131512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301890 + ... + 308933.

It is an arithmetic number, because the mean of its divisors is an integer number (269373384).

Almost surely, 2^2151318606 is an apocalyptic number.

2151318606 is an abundant number, since it is smaller than the sum of its proper divisors (2158655538).

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

2151318606 is a wasteful number, since it uses less digits than its factorization.

2151318606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611415.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 2151318606 is about 46382.3091921909. The cubic root of 2151318606 is about 1290.9266834669.

The spelling of 2151318606 in words is "two billion, one hundred fifty-one million, three hundred eighteen thousand, six hundred six".