71662010611 has 8 divisors (see below), whose sum is σ = 75444754880. Its totient is φ = 67880372328.

The previous prime is 71662010551. The next prime is 71662010621. The reversal of 71662010611 is 11601026617.

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

It is a cyclic number.

It is not a de Polignac number, because 71662010611 - 2¹¹ = 71662008563 is a prime.

It is a super-2 number, since 2×71662010611² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71662010621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141801 + ... + 404266.

It is an arithmetic number, because the mean of its divisors is an integer number (9430594360).

Almost surely, 2^71662010611 is an apocalyptic number.

71662010611 is a deficient number, since it is larger than the sum of its proper divisors (3782744269).

71662010611 is a wasteful number, since it uses less digits than its factorization.

71662010611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552993.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 71662010611 in words is "seventy-one billion, six hundred sixty-two million, ten thousand, six hundred eleven".