51773160468566 has 4 divisors (see below), whose sum is σ = 77659740702852. Its totient is φ = 25886580234282.

The previous prime is 51773160468499. The next prime is 51773160468619. The reversal of 51773160468566 is 66586406137715.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12943290117140 + ... + 12943290117143.

It is an arithmetic number, because the mean of its divisors is an integer number (19414935175713).

Almost surely, 2^{51773160468566} is an apocalyptic number.

51773160468566 is a deficient number, since it is larger than the sum of its proper divisors (25886580234286).

51773160468566 is a wasteful number, since it uses less digits than its factorization.

51773160468566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25886580234285.

The product of its (nonzero) digits is 152409600, while the sum is 65.

The spelling of 51773160468566 in words is "fifty-one trillion, seven hundred seventy-three billion, one hundred sixty million, four hundred sixty-eight thousand, five hundred sixty-six".