51166005 has 96 divisors (see below), whose sum is σ = 100794240. Its totient is φ = 21934080.

The previous prime is 51165979. The next prime is 51166043. The reversal of 51166005 is 50066115.

It is not a de Polignac number, because 51166005 - 2⁸ = 51165749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1382847 + ... + 1382883.

It is an arithmetic number, because the mean of its divisors is an integer number (1049940).

Almost surely, 2^51166005 is an apocalyptic number.

51166005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51166005 is a deficient number, since it is larger than the sum of its proper divisors (49628235).

51166005 is a wasteful number, since it uses less digits than its factorization.

51166005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51166005 is about 7153.0416607203. The cubic root of 51166005 is about 371.2449057787.

The spelling of 51166005 in words is "fifty-one million, one hundred sixty-six thousand, five".