71166054 has 16 divisors (see below), whose sum is σ = 143357760. Its totient is φ = 23551080.

The previous prime is 71166041. The next prime is 71166079. The reversal of 71166054 is 45066117.

It is a congruent number.

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, 41832 + ... + 43499.

It is an arithmetic number, because the mean of its divisors is an integer number (8959860).

Almost surely, 2^71166054 is an apocalyptic number.

71166054 is an abundant number, since it is smaller than the sum of its proper divisors (72191706).

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

71166054 is a wasteful number, since it uses less digits than its factorization.

71166054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85475.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 71166054 is about 8435.9975106682. The cubic root of 71166054 is about 414.4043401987.

The spelling of 71166054 in words is "seventy-one million, one hundred sixty-six thousand, fifty-four".