154066661616334 has 32 divisors (see below), whose sum is σ = 242911162232640. Its totient is φ = 73145269900032.

The previous prime is 154066661616317. The next prime is 154066661616359. The reversal of 154066661616334 is 433616166660451.

It is a super-2 number, since 2×154066661616334² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850105912 + ... + 850287124.

It is an arithmetic number, because the mean of its divisors is an integer number (7590973819770).

Almost surely, 2^{154066661616334} is an apocalyptic number.

154066661616334 is a deficient number, since it is larger than the sum of its proper divisors (88844500616306).

154066661616334 is a wasteful number, since it uses less digits than its factorization.

154066661616334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316284.

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 154066661616334 in words is "one hundred fifty-four trillion, sixty-six billion, six hundred sixty-one million, six hundred sixteen thousand, three hundred thirty-four".