42164178057560 has 32 divisors (see below), whose sum is σ = 102167046833040. Its totient is φ = 15568311897984.

The previous prime is 42164178057541. The next prime is 42164178057563. The reversal of 42164178057560 is 6575087146124.

It is a super-2 number, since 2×42164178057560² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42164178057496 and 42164178057505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42164178057563) 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, 40542478382 + ... + 40542479421.

Almost surely, 2^{42164178057560} is an apocalyptic number.

42164178057560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42164178057560 is an abundant number, since it is smaller than the sum of its proper divisors (60002868775480).

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

42164178057560 is a wasteful number, since it uses less digits than its factorization.

42164178057560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81084957827 (or 81084957823 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 42164178057560 in words is "forty-two trillion, one hundred sixty-four billion, one hundred seventy-eight million, fifty-seven thousand, five hundred sixty".