154211542156066 has 16 divisors (see below), whose sum is σ = 236770089494400. Its totient is φ = 75289289655888.

The previous prime is 154211542156051. The next prime is 154211542156099. The reversal of 154211542156066 is 660651245112451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277386826 + ... + 277942213.

It is an arithmetic number, because the mean of its divisors is an integer number (14798130593400).

Almost surely, 2^{154211542156066} is an apocalyptic number.

154211542156066 is a deficient number, since it is larger than the sum of its proper divisors (82558547338334).

154211542156066 is a wasteful number, since it uses less digits than its factorization.

154211542156066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555332313.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 154211542156066 in words is "one hundred fifty-four trillion, two hundred eleven billion, five hundred forty-two million, one hundred fifty-six thousand, sixty-six".