171013640 has 32 divisors (see below), whose sum is σ = 439750080. Its totient is φ = 58633152.

The previous prime is 171013637. The next prime is 171013643. The reversal of 171013640 is 46310171.

It is an interprime number because it is at equal distance from previous prime (171013637) and next prime (171013643).

It is not an unprimeable number, because it can be changed into a prime (171013643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305102 + ... + 305661.

It is an arithmetic number, because the mean of its divisors is an integer number (13742190).

Almost surely, 2^171013640 is an apocalyptic number.

171013640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171013640 is an abundant number, since it is smaller than the sum of its proper divisors (268736440).

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

171013640 is a wasteful number, since it uses less digits than its factorization.

171013640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610781 (or 610777 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 171013640 is about 13077.2183586572. The cubic root of 171013640 is about 555.0646679510.

The spelling of 171013640 in words is "one hundred seventy-one million, thirteen thousand, six hundred forty".