57620116281 has 128 divisors (see below), whose sum is σ = 104705556480. Its totient is φ = 27317461248.

The previous prime is 57620116273. The next prime is 57620116313. The reversal of 57620116281 is 18261102675.

It is not a de Polignac number, because 57620116281 - 2³ = 57620116273 is a prime.

It is a super-3 number, since 3×57620116281³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57620116241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15149326 + ... + 15153128.

It is an arithmetic number, because the mean of its divisors is an integer number (818012160).

Almost surely, 2^57620116281 is an apocalyptic number.

It is an amenable number.

57620116281 is a deficient number, since it is larger than the sum of its proper divisors (47085440199).

57620116281 is a wasteful number, since it uses less digits than its factorization.

57620116281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 57620116281 in words is "fifty-seven billion, six hundred twenty million, one hundred sixteen thousand, two hundred eighty-one".