96993661 has 8 divisors (see below), whose sum is σ = 100923480. Its totient is φ = 93102912.

The previous prime is 96993647. The next prime is 96993667. The reversal of 96993661 is 16639969.

It can be written as a sum of positive squares in 4 ways, for example, as 60933636 + 36060025 = 7806^2 + 6005^2 .

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 96993661 - 2²³ = 88605053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96993667) 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, 4650 + ... + 14683.

It is an arithmetic number, because the mean of its divisors is an integer number (12615435).

Almost surely, 2^96993661 is an apocalyptic number.

It is an amenable number.

96993661 is a deficient number, since it is larger than the sum of its proper divisors (3929819).

96993661 is a wasteful number, since it uses less digits than its factorization.

96993661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19535.

The product of its digits is 472392, while the sum is 49.

The square root of 96993661 is about 9848.5359825712. The cubic root of 96993661 is about 459.4600801336.

The spelling of 96993661 in words is "ninety-six million, nine hundred ninety-three thousand, six hundred sixty-one".