57157572006766 has 128 divisors (see below), whose sum is σ = 116430665932800. Its totient is φ = 20363902796160.

The previous prime is 57157572006727. The next prime is 57157572006767. The reversal of 57157572006766 is 66760027575175.

It is a junction number, because it is equal to n+sod(n) for n = 57157572006698 and 57157572006707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57157572006767) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 307333081 + ... + 307519003.

It is an arithmetic number, because the mean of its divisors is an integer number (909614577600).

Almost surely, 2^{57157572006766} is an apocalyptic number.

57157572006766 is an abundant number, since it is smaller than the sum of its proper divisors (59273093926034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57157572006766 is a wasteful number, since it uses less digits than its factorization.

57157572006766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189614.

The product of its (nonzero) digits is 129654000, while the sum is 64.

The spelling of 57157572006766 in words is "fifty-seven trillion, one hundred fifty-seven billion, five hundred seventy-two million, six thousand, seven hundred sixty-six".