4071104077661 has 4 divisors (see below), whose sum is σ = 4082444200800. Its totient is φ = 4059763954524.

The previous prime is 4071104077637. The next prime is 4071104077823. The reversal of 4071104077661 is 1667704011704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4071104077661 is a prime.

It is a super-2 number, since 2×4071104077661² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4071104077861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5670061031 + ... + 5670061748.

It is an arithmetic number, because the mean of its divisors is an integer number (1020611050200).

Almost surely, 2^{4071104077661} is an apocalyptic number.

It is an amenable number.

4071104077661 is a deficient number, since it is larger than the sum of its proper divisors (11340123139).

4071104077661 is a wasteful number, since it uses less digits than its factorization.

4071104077661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340123138.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 4071104077661 in words is "four trillion, seventy-one billion, one hundred four million, seventy-seven thousand, six hundred sixty-one".