66011542234146 has 64 divisors (see below), whose sum is σ = 158586287740800. Its totient is φ = 20282351514048.

The previous prime is 66011542234133. The next prime is 66011542234177. The reversal of 66011542234146 is 64143224511066.

66011542234146 is a `hidden beast` number, since 6 + 6 + 0 + 1 + 1 + 5 + 4 + 223 + 414 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 869404405 + ... + 869480328.

It is an arithmetic number, because the mean of its divisors is an integer number (2477910745950).

Almost surely, 2^{66011542234146} is an apocalyptic number.

66011542234146 is an abundant number, since it is smaller than the sum of its proper divisors (92574745506654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66011542234146 is a wasteful number, since it uses less digits than its factorization.

66011542234146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738884800 (or 1738884794 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 66011542234146 in words is "sixty-six trillion, eleven billion, five hundred forty-two million, two hundred thirty-four thousand, one hundred forty-six".