57661526552164 has 24 divisors (see below), whose sum is σ = 106254353760800. Its totient is φ = 27304161255360.

The previous prime is 57661526552101. The next prime is 57661526552167. The reversal of 57661526552164 is 46125562516675.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57661526552167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127459209 + ... + 127910800.

Almost surely, 2^{57661526552164} is an apocalyptic number.

It is an amenable number.

57661526552164 is a deficient number, since it is larger than the sum of its proper divisors (48592827208636).

57661526552164 is a wasteful number, since it uses less digits than its factorization.

57661526552164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255373003 (or 255373001 counting only the distinct ones).

The product of its digits is 90720000, while the sum is 61.

The spelling of 57661526552164 in words is "fifty-seven trillion, six hundred sixty-one billion, five hundred twenty-six million, five hundred fifty-two thousand, one hundred sixty-four".