169166213452 has 6 divisors (see below), whose sum is σ = 296040873548. Its totient is φ = 84583106724.

The previous prime is 169166213429. The next prime is 169166213467. The reversal of 169166213452 is 254312661961.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21145776678 + ... + 21145776685.

Almost surely, 2^169166213452 is an apocalyptic number.

It is an amenable number.

169166213452 is a deficient number, since it is larger than the sum of its proper divisors (126874660096).

169166213452 is a wasteful number, since it uses less digits than its factorization.

169166213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42291553367 (or 42291553365 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The spelling of 169166213452 in words is "one hundred sixty-nine billion, one hundred sixty-six million, two hundred thirteen thousand, four hundred fifty-two".