1071572616223 has 4 divisors (see below), whose sum is σ = 1071606632488. Its totient is φ = 1071538599960.

The previous prime is 1071572616217. The next prime is 1071572616239. The reversal of 1071572616223 is 3226162751701.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1071572616223 is a prime.

It is a super-2 number, since 2×1071572616223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1071572616223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071572611223) 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, 16960836 + ... + 17023897.

It is an arithmetic number, because the mean of its divisors is an integer number (267901658122).

Almost surely, 2^{1071572616223} is an apocalyptic number.

1071572616223 is a deficient number, since it is larger than the sum of its proper divisors (34016265).

1071572616223 is an equidigital number, since it uses as much as digits as its factorization.

1071572616223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34016264.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 1071572616223 in words is "one trillion, seventy-one billion, five hundred seventy-two million, six hundred sixteen thousand, two hundred twenty-three".