953741661 has 4 divisors (see below), whose sum is σ = 1271655552. Its totient is φ = 635827772.

The previous prime is 953741597. The next prime is 953741683. The reversal of 953741661 is 166147359.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 953741661 - 2⁶ = 953741597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (953742661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158956941 + ... + 158956946.

It is an arithmetic number, because the mean of its divisors is an integer number (317913888).

Almost surely, 2^953741661 is an apocalyptic number.

It is an amenable number.

953741661 is a deficient number, since it is larger than the sum of its proper divisors (317913891).

953741661 is a wasteful number, since it uses less digits than its factorization.

953741661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317913890.

The product of its digits is 136080, while the sum is 42.

The square root of 953741661 is about 30882.7081228315. The cubic root of 953741661 is about 984.3364890835.

The spelling of 953741661 in words is "nine hundred fifty-three million, seven hundred forty-one thousand, six hundred sixty-one".