653161642 has 8 divisors (see below), whose sum is σ = 1119705696. Its totient is φ = 279926412.

The previous prime is 653161591. The next prime is 653161643. The reversal of 653161642 is 246161356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 653161598 and 653161607.

It is not an unprimeable number, because it can be changed into a prime (653161643) 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, 23327188 + ... + 23327215.

It is an arithmetic number, because the mean of its divisors is an integer number (139963212).

Almost surely, 2^653161642 is an apocalyptic number.

653161642 is a deficient number, since it is larger than the sum of its proper divisors (466544054).

653161642 is a wasteful number, since it uses less digits than its factorization.

653161642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46654412.

The product of its digits is 25920, while the sum is 34.

The square root of 653161642 is about 25557.0272527929. The cubic root of 653161642 is about 867.6413153060.

The spelling of 653161642 in words is "six hundred fifty-three million, one hundred sixty-one thousand, six hundred forty-two".