154104664021612 has 6 divisors (see below), whose sum is σ = 269683162037828. Its totient is φ = 77052332010804.

The previous prime is 154104664021603. The next prime is 154104664021669. The reversal of 154104664021612 is 216120466401451.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19263083002698 + ... + 19263083002705.

Almost surely, 2^{154104664021612} is an apocalyptic number.

It is an amenable number.

154104664021612 is a deficient number, since it is larger than the sum of its proper divisors (115578498016216).

154104664021612 is a wasteful number, since it uses less digits than its factorization.

154104664021612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38526166005407 (or 38526166005405 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 154104664021612 in words is "one hundred fifty-four trillion, one hundred four billion, six hundred sixty-four million, twenty-one thousand, six hundred twelve".