1071641679 has 8 divisors (see below), whose sum is σ = 1448429232. Its totient is φ = 704640960.

The previous prime is 1071641677. The next prime is 1071641713. The reversal of 1071641679 is 9761461701.

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

It is not a de Polignac number, because 1071641679 - 2¹ = 1071641677 is a prime.

It is a super-2 number, since 2×1071641679² = 2296831776339878082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1071641679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071641671) 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, 2446452 + ... + 2446889.

It is an arithmetic number, because the mean of its divisors is an integer number (181053654).

Almost surely, 2^1071641679 is an apocalyptic number.

1071641679 is a deficient number, since it is larger than the sum of its proper divisors (376787553).

1071641679 is an equidigital number, since it uses as much as digits as its factorization.

1071641679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893417.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1071641679 is about 32735.9386454704. The cubic root of 1071641679 is about 1023.3319461431.

The spelling of 1071641679 in words is "one billion, seventy-one million, six hundred forty-one thousand, six hundred seventy-nine".