4153031661 has 4 divisors (see below), whose sum is σ = 5537375552. Its totient is φ = 2768687772.

The previous prime is 4153031657. The next prime is 4153031747. The reversal of 4153031661 is 1661303514.

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 not a de Polignac number, because 4153031661 - 2² = 4153031657 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 (4153031161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692171941 + ... + 692171946.

It is an arithmetic number, because the mean of its divisors is an integer number (1384343888).

Almost surely, 2^4153031661 is an apocalyptic number.

It is an amenable number.

4153031661 is a deficient number, since it is larger than the sum of its proper divisors (1384343891).

4153031661 is a wasteful number, since it uses less digits than its factorization.

4153031661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384343890.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 4153031661 is about 64444.0195906494. The cubic root of 4153031661 is about 1607.3917957847.

The spelling of 4153031661 in words is "four billion, one hundred fifty-three million, thirty-one thousand, six hundred sixty-one".