1591164642007 has 4 divisors (see below), whose sum is σ = 1591284318736. Its totient is φ = 1591044965280.

The previous prime is 1591164641959. The next prime is 1591164642029. The reversal of 1591164642007 is 7002464611951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1591164642007 - 2¹⁵ = 1591164609239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591164642037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59818419 + ... + 59845012.

It is an arithmetic number, because the mean of its divisors is an integer number (397821079684).

Almost surely, 2^{1591164642007} is an apocalyptic number.

1591164642007 is a deficient number, since it is larger than the sum of its proper divisors (119676729).

1591164642007 is a wasteful number, since it uses less digits than its factorization.

1591164642007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119676728.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 1591164642007 in words is "one trillion, five hundred ninety-one billion, one hundred sixty-four million, six hundred forty-two thousand, seven".