2164926087 has 6 divisors (see below), whose sum is σ = 3127115472. Its totient is φ = 1443284052.

The previous prime is 2164926077. The next prime is 2164926089. The reversal of 2164926087 is 7806294612.

It is a happy number.

2164926087 is a `hidden beast` number, since 21 + 6 + 492 + 60 + 87 = 666.

It is not a de Polignac number, because 2164926087 - 2¹² = 2164921991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164926089) 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 5 ways as a sum of consecutive naturals, for example, 120273663 + ... + 120273680.

It is an arithmetic number, because the mean of its divisors is an integer number (521185912).

Almost surely, 2^2164926087 is an apocalyptic number.

2164926087 is a deficient number, since it is larger than the sum of its proper divisors (962189385).

2164926087 is a wasteful number, since it uses less digits than its factorization.

2164926087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240547349 (or 240547346 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2164926087 is about 46528.7662312252. The cubic root of 2164926087 is about 1293.6427468885.

The spelling of 2164926087 in words is "two billion, one hundred sixty-four million, nine hundred twenty-six thousand, eighty-seven".