169456106809456 has 10 divisors (see below), whose sum is σ = 328321206943352. Its totient is φ = 84728053404720.

The previous prime is 169456106809447. The next prime is 169456106809459. The reversal of 169456106809456 is 654908601654961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169456106809459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5295503337780 + ... + 5295503337811.

Almost surely, 2^{169456106809456} is an apocalyptic number.

169456106809456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

169456106809456 is a deficient number, since it is larger than the sum of its proper divisors (158865100133896).

169456106809456 is a wasteful number, since it uses less digits than its factorization.

169456106809456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591006675599 (or 10591006675593 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 70.

The spelling of 169456106809456 in words is "one hundred sixty-nine trillion, four hundred fifty-six billion, one hundred six million, eight hundred nine thousand, four hundred fifty-six".