51144601366 has 8 divisors (see below), whose sum is σ = 77176285200. Its totient is φ = 25419172968.

The previous prime is 51144601357. The next prime is 51144601373. The reversal of 51144601366 is 66310644115.

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

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, 76563441 + ... + 76564108.

It is an arithmetic number, because the mean of its divisors is an integer number (9647035650).

Almost surely, 2^51144601366 is an apocalyptic number.

51144601366 is a deficient number, since it is larger than the sum of its proper divisors (26031683834).

51144601366 is a wasteful number, since it uses less digits than its factorization.

51144601366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153127718.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 51144601366 in words is "fifty-one billion, one hundred forty-four million, six hundred one thousand, three hundred sixty-six".