71166898 has 32 divisors (see below), whose sum is σ = 120149568. Its totient is φ = 31334400.

The previous prime is 71166869. The next prime is 71166911. The reversal of 71166898 is 89866117.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231661 + ... + 231967.

It is an arithmetic number, because the mean of its divisors is an integer number (3754674).

Almost surely, 2^71166898 is an apocalyptic number.

71166898 is a deficient number, since it is larger than the sum of its proper divisors (48982670).

71166898 is a wasteful number, since it uses less digits than its factorization.

71166898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its digits is 145152, while the sum is 46.

The square root of 71166898 is about 8436.0475342426. The cubic root of 71166898 is about 414.4059784136.

The spelling of 71166898 in words is "seventy-one million, one hundred sixty-six thousand, eight hundred ninety-eight".