169895807406040 has 64 divisors (see below), whose sum is σ = 388942611256800. Its totient is φ = 66778214280192.

The previous prime is 169895807406029. The next prime is 169895807406049. The reversal of 169895807406040 is 40604708598961.

It is a happy number.

It is a super-2 number, since 2×169895807406040² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169895807406049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107362282 + ... + 108933241.

Almost surely, 2^{169895807406040} is an apocalyptic number.

169895807406040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169895807406040 is an abundant number, since it is smaller than the sum of its proper divisors (219046803850760).

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

169895807406040 is a wasteful number, since it uses less digits than its factorization.

169895807406040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216295876 (or 216295872 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 169895807406040 in words is "one hundred sixty-nine trillion, eight hundred ninety-five billion, eight hundred seven million, four hundred six thousand, forty".