57016721334 has 8 divisors (see below), whose sum is σ = 114033442680. Its totient is φ = 19005573776.

The previous prime is 57016721327. The next prime is 57016721341. The reversal of 57016721334 is 43312761075.

It is an interprime number because it is at equal distance from previous prime (57016721327) and next prime (57016721341).

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

57016721334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 57016721292 and 57016721301.

It is a congruent number.

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, 4751393439 + ... + 4751393450.

It is an arithmetic number, because the mean of its divisors is an integer number (14254180335).

Almost surely, 2^57016721334 is an apocalyptic number.

57016721334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57016721334 is a wasteful number, since it uses less digits than its factorization.

57016721334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502786894.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 57016721334 in words is "fifty-seven billion, sixteen million, seven hundred twenty-one thousand, three hundred thirty-four".