57030163661 has 4 divisors (see below), whose sum is σ = 57031208352. Its totient is φ = 57029118972.

The previous prime is 57030163609. The next prime is 57030163667. The reversal of 57030163661 is 16636103075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57030163661 - 2³⁰ = 55956421837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030163667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435665 + ... + 551238.

It is an arithmetic number, because the mean of its divisors is an integer number (14257802088).

Almost surely, 2^57030163661 is an apocalyptic number.

It is an amenable number.

57030163661 is a deficient number, since it is larger than the sum of its proper divisors (1044691).

57030163661 is an equidigital number, since it uses as much as digits as its factorization.

57030163661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044690.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 57030163661 in words is "fifty-seven billion, thirty million, one hundred sixty-three thousand, six hundred sixty-one".