93001661 has 2 divisors, whose sum is σ = 93001662. Its totient is φ = 93001660.

The previous prime is 93001631. The next prime is 93001663. The reversal of 93001661 is 16610039.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74563225 + 18438436 = 8635^2 + 4294^2 .

It is a cyclic number.

It is not a de Polignac number, because 93001661 - 2²² = 88807357 is a prime.

Together with 93001663, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93001661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93001663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46500830 + 46500831.

It is an arithmetic number, because the mean of its divisors is an integer number (46500831).

Almost surely, 2^93001661 is an apocalyptic number.

It is an amenable number.

93001661 is a deficient number, since it is larger than the sum of its proper divisors (1).

93001661 is an equidigital number, since it uses as much as digits as its factorization.

93001661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 93001661 is about 9643.7368794467. The cubic root of 93001661 is about 453.0681868747.

The spelling of 93001661 in words is "ninety-three million, one thousand, six hundred sixty-one".