170972952242 has 4 divisors (see below), whose sum is σ = 256459428366. Its totient is φ = 85486476120.

The previous prime is 170972952233. The next prime is 170972952259. The reversal of 170972952242 is 242259279071.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93433537561 + 77539414681 = 305669^2 + 278459^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42743238059 + ... + 42743238062.

Almost surely, 2^170972952242 is an apocalyptic number.

170972952242 is a deficient number, since it is larger than the sum of its proper divisors (85486476124).

170972952242 is an equidigital number, since it uses as much as digits as its factorization.

170972952242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85486476123.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 170972952242 in words is "one hundred seventy billion, nine hundred seventy-two million, nine hundred fifty-two thousand, two hundred forty-two".