51148166 has 8 divisors (see below), whose sum is σ = 76937040. Its totient is φ = 25502488.

The previous prime is 51148157. The next prime is 51148177. The reversal of 51148166 is 66184115.

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

It is a super-2 number, since 2×51148166² = 5232269770327112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34901 + ... + 36336.

It is an arithmetic number, because the mean of its divisors is an integer number (9617130).

Almost surely, 2^51148166 is an apocalyptic number.

51148166 is a deficient number, since it is larger than the sum of its proper divisors (25788874).

51148166 is a wasteful number, since it uses less digits than its factorization.

51148166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71598.

The product of its digits is 5760, while the sum is 32.

The square root of 51148166 is about 7151.7945999588. The cubic root of 51148166 is about 371.2017559850.

The spelling of 51148166 in words is "fifty-one million, one hundred forty-eight thousand, one hundred sixty-six".