154166640543047 has 16 divisors (see below), whose sum is σ = 168535784688000. Its totient is φ = 139856552100000.

The previous prime is 154166640543037. The next prime is 154166640543079. The reversal of 154166640543047 is 740345046661451.

154166640543047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 154166640543047 - 2¹⁸ = 154166640280903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154166640542983 and 154166640543001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154166640543017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53333672 + ... + 56149922.

It is an arithmetic number, because the mean of its divisors is an integer number (10533486543000).

Almost surely, 2^{154166640543047} is an apocalyptic number.

154166640543047 is a deficient number, since it is larger than the sum of its proper divisors (14369144144953).

154166640543047 is a wasteful number, since it uses less digits than its factorization.

154166640543047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826734.

The product of its (nonzero) digits is 29030400, while the sum is 56.

The spelling of 154166640543047 in words is "one hundred fifty-four trillion, one hundred sixty-six billion, six hundred forty million, five hundred forty-three thousand, forty-seven".