71426161960 has 24 divisors (see below), whose sum is σ = 160712667630. Its totient is φ = 28569788672.

The previous prime is 71426161957. The next prime is 71426161993. The reversal of 71426161960 is 6916162417.

It can be written as a sum of positive squares in 3 ways, for example, as 58706382436 + 12719779524 = 242294^2 + 112782^2 .

It is a super-2 number, since 2×71426161960² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1669152 + ... + 1711408.

Almost surely, 2^71426161960 is an apocalyptic number.

It is an amenable number.

71426161960 is an abundant number, since it is smaller than the sum of its proper divisors (89286505670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71426161960 is an frugal number, since it uses more digits than its factorization.

71426161960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84525 (or 42264 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 71426161960 in words is "seventy-one billion, four hundred twenty-six million, one hundred sixty-one thousand, nine hundred sixty".