2071665270537 has 8 divisors (see below), whose sum is σ = 2764894343904. Its totient is φ = 1379773188768.

The previous prime is 2071665270497. The next prime is 2071665270589. The reversal of 2071665270537 is 7350725661702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2071665270537 - 2⁸ = 2071665270281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2071665270537.

It is not an unprimeable number, because it can be changed into a prime (2071665274537) 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 7 ways as a sum of consecutive naturals, for example, 334244283 + ... + 334250480.

It is an arithmetic number, because the mean of its divisors is an integer number (345611792988).

Almost surely, 2^{2071665270537} is an apocalyptic number.

It is an amenable number.

2071665270537 is a deficient number, since it is larger than the sum of its proper divisors (693229073367).

2071665270537 is a wasteful number, since it uses less digits than its factorization.

2071665270537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668495799.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 2071665270537 in words is "two trillion, seventy-one billion, six hundred sixty-five million, two hundred seventy thousand, five hundred thirty-seven".