170892945664 has 81 divisors (see below), whose sum is σ = 396918667971. Its totient is φ = 73219991040.

The previous prime is 170892945649. The next prime is 170892945719. The reversal of 170892945664 is 466549298071.

It is a happy number.

The square root of 170892945664 is 413392.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46298059 + ... + 46301749.

Almost surely, 2^170892945664 is an apocalyptic number.

170892945664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

170892945664 is the 413392-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170892945664

170892945664 is an abundant number, since it is smaller than the sum of its proper divisors (226025722307).

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

170892945664 is an frugal number, since it uses more digits than its factorization.

170892945664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 170892945664 in words is "one hundred seventy billion, eight hundred ninety-two million, nine hundred forty-five thousand, six hundred sixty-four".