491070170 has 16 divisors (see below), whose sum is σ = 885232800. Its totient is φ = 196137744.

The previous prime is 491070169. The next prime is 491070199. The reversal of 491070170 is 71070194.

It is a super-2 number, since 2×491070170² = 482299823727657800, which contains 22 as substring.

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, 29120 + ... + 42779.

It is an arithmetic number, because the mean of its divisors is an integer number (55327050).

Almost surely, 2^491070170 is an apocalyptic number.

491070170 is a deficient number, since it is larger than the sum of its proper divisors (394162630).

491070170 is a wasteful number, since it uses less digits than its factorization.

491070170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72589.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 491070170 is about 22160.1031134785. The cubic root of 491070170 is about 788.9470402666.

The spelling of 491070170 in words is "four hundred ninety-one million, seventy thousand, one hundred seventy".