51607166 has 8 divisors (see below), whose sum is σ = 83365464. Its totient is φ = 23818680.

The previous prime is 51607163. The next prime is 51607177. The reversal of 51607166 is 66170615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51607163) 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, 992420 + ... + 992471.

It is an arithmetic number, because the mean of its divisors is an integer number (10420683).

Almost surely, 2^51607166 is an apocalyptic number.

51607166 is a deficient number, since it is larger than the sum of its proper divisors (31758298).

51607166 is a wasteful number, since it uses less digits than its factorization.

51607166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984906.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 51607166 is about 7183.8127759568. The cubic root of 51607166 is about 372.3088303338.

The spelling of 51607166 in words is "fifty-one million, six hundred seven thousand, one hundred sixty-six".