9065619661 has 8 divisors (see below), whose sum is σ = 10377781760. Its totient is φ = 7757725968.

The previous prime is 9065619659. The next prime is 9065619679. The reversal of 9065619661 is 1669165609.

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 9065619661 - 2¹ = 9065619659 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 (9065619601) 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, 1062546 + ... + 1071043.

It is an arithmetic number, because the mean of its divisors is an integer number (1297222720).

Almost surely, 2^9065619661 is an apocalyptic number.

It is an amenable number.

9065619661 is a deficient number, since it is larger than the sum of its proper divisors (1312162099).

9065619661 is a wasteful number, since it uses less digits than its factorization.

9065619661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134203.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 9065619661 is about 95213.5476757378. The cubic root of 9065619661 is about 2085.1269342485.

The spelling of 9065619661 in words is "nine billion, sixty-five million, six hundred nineteen thousand, six hundred sixty-one".