156666105100051 has 8 divisors (see below), whose sum is σ = 158406278454000. Its totient is φ = 154935114719520.

The previous prime is 156666105100019. The next prime is 156666105100093. The reversal of 156666105100051 is 150001501666651.

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

It is a cyclic number.

It is not a de Polignac number, because 156666105100051 - 2⁵ = 156666105100019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156666105099980 and 156666105100007.

It is not an unprimeable number, because it can be changed into a prime (156666105107051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295709045 + ... + 2295777286.

It is an arithmetic number, because the mean of its divisors is an integer number (19800784806750).

Almost surely, 2^{156666105100051} is an apocalyptic number.

156666105100051 is a deficient number, since it is larger than the sum of its proper divisors (1740173353949).

156666105100051 is a wasteful number, since it uses less digits than its factorization.

156666105100051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591486709.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 156666105100051 in words is "one hundred fifty-six trillion, six hundred sixty-six billion, one hundred five million, one hundred thousand, fifty-one".