51566042006 has 16 divisors (see below), whose sum is σ = 78536185200. Its totient is φ = 25387633920.

The previous prime is 51566041987. The next prime is 51566042027. The reversal of 51566042006 is 60024066515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248270 + ... + 405918.

It is an arithmetic number, because the mean of its divisors is an integer number (4908511575).

Almost surely, 2^51566042006 is an apocalyptic number.

51566042006 is a deficient number, since it is larger than the sum of its proper divisors (26970143194).

51566042006 is a wasteful number, since it uses less digits than its factorization.

51566042006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160159.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 51566042006 in words is "fifty-one billion, five hundred sixty-six million, forty-two thousand, six".