2151065607 has 16 divisors (see below), whose sum is σ = 3037743072. Its totient is φ = 1349268480.

The previous prime is 2151065557. The next prime is 2151065611. The reversal of 2151065607 is 7065601512.

It is not a de Polignac number, because 2151065607 - 2¹⁵ = 2151032839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151065617) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 283953 + ... + 291429.

It is an arithmetic number, because the mean of its divisors is an integer number (189858942).

Almost surely, 2^2151065607 is an apocalyptic number.

2151065607 is a deficient number, since it is larger than the sum of its proper divisors (886677465).

2151065607 is a wasteful number, since it uses less digits than its factorization.

2151065607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13138.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 2151065607 is about 46379.5817898351. The cubic root of 2151065607 is about 1290.8760763705.

The spelling of 2151065607 in words is "two billion, one hundred fifty-one million, sixty-five thousand, six hundred seven".