9340071561 has 12 divisors (see below), whose sum is σ = 13926415360. Its totient is φ = 6025852440.

The previous prime is 9340071553. The next prime is 9340071571. The reversal of 9340071561 is 1651700439.

9340071561 is a `hidden beast` number, since 93 + 4 + 0 + 0 + 7 + 1 + 561 = 666.

It is not a de Polignac number, because 9340071561 - 2³ = 9340071553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9340071511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16738201 + ... + 16738758.

Almost surely, 2^9340071561 is an apocalyptic number.

It is an amenable number.

9340071561 is a deficient number, since it is larger than the sum of its proper divisors (4586343799).

9340071561 is a wasteful number, since it uses less digits than its factorization.

9340071561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33476996 (or 33476993 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 9340071561 is about 96644.0456572468. The cubic root of 9340071561 is about 2105.9597567276.

The spelling of 9340071561 in words is "nine billion, three hundred forty million, seventy-one thousand, five hundred sixty-one".