51706166001 has 32 divisors (see below), whose sum is σ = 79250669568. Its totient is φ = 29373951360.

The previous prime is 51706165999. The next prime is 51706166027. The reversal of 51706166001 is 10066160715.

It is not a de Polignac number, because 51706166001 - 2¹ = 51706165999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51706116001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9595630 + ... + 9601016.

It is an arithmetic number, because the mean of its divisors is an integer number (2476583424).

Almost surely, 2^51706166001 is an apocalyptic number.

It is an amenable number.

51706166001 is a deficient number, since it is larger than the sum of its proper divisors (27544503567).

51706166001 is a wasteful number, since it uses less digits than its factorization.

51706166001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 51706166001 in words is "fifty-one billion, seven hundred six million, one hundred sixty-six thousand, one".