51166004242 has 8 divisors (see below), whose sum is σ = 76758180300. Its totient is φ = 25579944144.

The previous prime is 51166004233. The next prime is 51166004251. The reversal of 51166004242 is 24240066115.

It is a happy number.

51166004242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51166004233) and next prime (51166004251).

It can be written as a sum of positive squares in 2 ways, for example, as 51165987601 + 16641 = 226199^2 + 129^2 .

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

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, 1508017 + ... + 1541572.

Almost surely, 2^51166004242 is an apocalyptic number.

51166004242 is a deficient number, since it is larger than the sum of its proper divisors (25592176058).

51166004242 is a wasteful number, since it uses less digits than its factorization.

51166004242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057980.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 51166004242 in words is "fifty-one billion, one hundred sixty-six million, four thousand, two hundred forty-two".