57661433338 has 8 divisors (see below), whose sum is σ = 88503595488. Its totient is φ = 28160234844.

The previous prime is 57661433327. The next prime is 57661433353. The reversal of 57661433338 is 83333416675.

It is a happy number.

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 = 57661433291 and 57661433300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335240806 + ... + 335240977.

It is an arithmetic number, because the mean of its divisors is an integer number (11062949436).

Almost surely, 2^57661433338 is an apocalyptic number.

57661433338 is a deficient number, since it is larger than the sum of its proper divisors (30842162150).

57661433338 is a wasteful number, since it uses less digits than its factorization.

57661433338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670481828.

The product of its digits is 3265920, while the sum is 49.

The spelling of 57661433338 in words is "fifty-seven billion, six hundred sixty-one million, four hundred thirty-three thousand, three hundred thirty-eight".