171020652 has 24 divisors (see below), whose sum is σ = 435325632. Its totient is φ = 51824400.

The previous prime is 171020557. The next prime is 171020687. The reversal of 171020652 is 256020171.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647674 + ... + 647937.

It is an arithmetic number, because the mean of its divisors is an integer number (18138568).

Almost surely, 2^171020652 is an apocalyptic number.

171020652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171020652 is an abundant number, since it is smaller than the sum of its proper divisors (264304980).

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

171020652 is a wasteful number, since it uses less digits than its factorization.

171020652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295629 (or 1295627 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 171020652 is about 13077.4864557376. The cubic root of 171020652 is about 555.0722542079.

The spelling of 171020652 in words is "one hundred seventy-one million, twenty thousand, six hundred fifty-two".