70161868 has 24 divisors (see below), whose sum is σ = 146426112. Its totient is φ = 28761744.

The previous prime is 70161829. The next prime is 70161899. The reversal of 70161868 is 86816107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53830 + ... + 55117.

It is an arithmetic number, because the mean of its divisors is an integer number (6101088).

Almost surely, 2^70161868 is an apocalyptic number.

It is an amenable number.

70161868 is an abundant number, since it is smaller than the sum of its proper divisors (76264244).

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

70161868 is a wasteful number, since it uses less digits than its factorization.

70161868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108981 (or 108979 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 70161868 is about 8376.2681427949. The cubic root of 70161868 is about 412.4459541068.

The spelling of 70161868 in words is "seventy million, one hundred sixty-one thousand, eight hundred sixty-eight".