96621665 has 16 divisors (see below), whose sum is σ = 132672000. Its totient is φ = 66173760.

The previous prime is 96621647. The next prime is 96621677. The reversal of 96621665 is 56612669.

It is not a de Polignac number, because 96621665 - 2¹⁴ = 96605281 is a prime.

It is a super-2 number, since 2×96621665² = 18671492294744450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47336 + ... + 49334.

It is an arithmetic number, because the mean of its divisors is an integer number (8292000).

Almost surely, 2^96621665 is an apocalyptic number.

It is an amenable number.

96621665 is a deficient number, since it is larger than the sum of its proper divisors (36050335).

96621665 is a wasteful number, since it uses less digits than its factorization.

96621665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its digits is 116640, while the sum is 41.

The square root of 96621665 is about 9829.6319870074. The cubic root of 96621665 is about 458.8719445066.

The spelling of 96621665 in words is "ninety-six million, six hundred twenty-one thousand, six hundred sixty-five".