154066533616601 has 4 divisors (see below), whose sum is σ = 154066675360272. Its totient is φ = 154066391872932.

The previous prime is 154066533616579. The next prime is 154066533616613. The reversal of 154066533616601 is 106616335660451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154066533616601 - 2³⁴ = 154049353747417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154066533616631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69228731 + ... + 71419536.

It is an arithmetic number, because the mean of its divisors is an integer number (38516668840068).

Almost surely, 2^{154066533616601} is an apocalyptic number.

It is an amenable number.

154066533616601 is a deficient number, since it is larger than the sum of its proper divisors (141743671).

154066533616601 is a wasteful number, since it uses less digits than its factorization.

154066533616601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141743670.

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 154066533616601 in words is "one hundred fifty-four trillion, sixty-six billion, five hundred thirty-three million, six hundred sixteen thousand, six hundred one".