7561461546 has 24 divisors (see below), whose sum is σ = 16651745604. Its totient is φ = 2479167360.

The previous prime is 7561461541. The next prime is 7561461587. The reversal of 7561461546 is 6451641657.

7561461546 is a `hidden beast` number, since 7 + 5 + 61 + 46 + 1 + 546 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7445791521 + 115670025 = 86289^2 + 10755^2 .

It is not an unprimeable number, because it can be changed into a prime (7561461541) 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, 3442191 + ... + 3444386.

Almost surely, 2^7561461546 is an apocalyptic number.

7561461546 is an abundant number, since it is smaller than the sum of its proper divisors (9090284058).

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

7561461546 is a wasteful number, since it uses less digits than its factorization.

7561461546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886646 (or 6886643 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 7561461546 is about 86956.6647589476. The cubic root of 7561461546 is about 1962.7662545213.

The spelling of 7561461546 in words is "seven billion, five hundred sixty-one million, four hundred sixty-one thousand, five hundred forty-six".