57771968162 has 4 divisors (see below), whose sum is σ = 86657952246. Its totient is φ = 28885984080.

The previous prime is 57771968153. The next prime is 57771968171. The reversal of 57771968162 is 26186917775.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57771968153) and next prime (57771968171).

It can be written as a sum of positive squares in only one way, i.e., 53369778361 + 4402189801 = 231019^2 + 66349^2 .

It is a super-2 number, since 2×57771968162² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14442992039 + ... + 14442992042.

Almost surely, 2^57771968162 is an apocalyptic number.

57771968162 is a deficient number, since it is larger than the sum of its proper divisors (28885984084).

57771968162 is a wasteful number, since it uses less digits than its factorization.

57771968162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28885984083.

The product of its digits is 8890560, while the sum is 59.

The spelling of 57771968162 in words is "fifty-seven billion, seven hundred seventy-one million, nine hundred sixty-eight thousand, one hundred sixty-two".