57616412121 has 24 divisors (see below), whose sum is σ = 88129192320. Its totient is φ = 36147382656.

The previous prime is 57616412107. The next prime is 57616412149. The reversal of 57616412121 is 12121461675.

57616412121 is a `hidden beast` number, since 5 + 7 + 6 + 1 + 641 + 2 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 57616412121 - 2⁶ = 57616412057 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57616412101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1897900 + ... + 1928018.

It is an arithmetic number, because the mean of its divisors is an integer number (3672049680).

Almost surely, 2^57616412121 is an apocalyptic number.

57616412121 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

57616412121 is a deficient number, since it is larger than the sum of its proper divisors (30512780199).

57616412121 is a wasteful number, since it uses less digits than its factorization.

57616412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42645 (or 42642 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

Adding to 57616412121 its reverse (12121461675), we get a palindrome (69737873796).

The spelling of 57616412121 in words is "fifty-seven billion, six hundred sixteen million, four hundred twelve thousand, one hundred twenty-one".