70166983 has 4 divisors (see below), whose sum is σ = 70189048. Its totient is φ = 70144920.

The previous prime is 70166969. The next prime is 70167029. The reversal of 70166983 is 38966107.

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

It is a cyclic number.

It is not a de Polignac number, because 70166983 - 2⁹ = 70166471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70166903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5253 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (17547262).

Almost surely, 2^70166983 is an apocalyptic number.

70166983 is a deficient number, since it is larger than the sum of its proper divisors (22065).

70166983 is a wasteful number, since it uses less digits than its factorization.

70166983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22064.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 70166983 is about 8376.5734641320. The cubic root of 70166983 is about 412.4559766915.

The spelling of 70166983 in words is "seventy million, one hundred sixty-six thousand, nine hundred eighty-three".