6461151565 has 8 divisors (see below), whose sum is σ = 8458234848. Its totient is φ = 4699019280.

The previous prime is 6461151553. The next prime is 6461151569. The reversal of 6461151565 is 5651511646.

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

It is not a de Polignac number, because 6461151565 - 2¹¹ = 6461149517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461151569) 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, 58737687 + ... + 58737796.

It is an arithmetic number, because the mean of its divisors is an integer number (1057279356).

Almost surely, 2^6461151565 is an apocalyptic number.

It is an amenable number.

6461151565 is a deficient number, since it is larger than the sum of its proper divisors (1997083283).

6461151565 is a wasteful number, since it uses less digits than its factorization.

6461151565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117475499.

The product of its digits is 108000, while the sum is 40.

The square root of 6461151565 is about 80381.2886497847. The cubic root of 6461151565 is about 1862.5301410374.

The spelling of 6461151565 in words is "six billion, four hundred sixty-one million, one hundred fifty-one thousand, five hundred sixty-five".